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40145220200 = 23521427140663
BaseRepresentation
bin100101011000110101…
…110111001001101000
310211121210022111011102
4211120311313021220
51124204134021300
630235323220532
72620556512211
oct453065671150
9124553274142
1040145220200
1116030a26138
127944677748
133a2a199987
141d2b9b0408
15109e6200d5
hex958d77268

40145220200 has 48 divisors (see below), whose sum is σ = 93403709280. Its totient is φ = 16046720960.

The previous prime is 40145220161. The next prime is 40145220221. The reversal of 40145220200 is 202254104.

It is a happy number.

40145220200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×401452202002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215069 + ... + 355731.

It is an arithmetic number, because the mean of its divisors is an integer number (1945910610).

Almost surely, 240145220200 is an apocalyptic number.

40145220200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40145220200 is an abundant number, since it is smaller than the sum of its proper divisors (53258489080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40145220200 is a wasteful number, since it uses less digits than its factorization.

40145220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142106 (or 142097 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 40145220200 its reverse (202254104), we get a palindrome (40347474304).

The spelling of 40145220200 in words is "forty billion, one hundred forty-five million, two hundred twenty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1427 2854 5708 7135 11416 14270 28540 35675 57080 71350 140663 142700 281326 285400 562652 703315 1125304 1406630 2813260 3516575 5626520 7033150 14066300 28132600 200726101 401452202 802904404 1003630505 1605808808 2007261010 4014522020 5018152525 8029044040 10036305050 20072610100 40145220200