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40205044000 = 2553114911861
BaseRepresentation
bin100101011100011010…
…000100100100100000
310211202221212211222201
4211130122010210200
51124314442402000
630245301342544
72622214143502
oct453432044440
9124687784881
1040205044000
11160617766a0
127960707a54
133a396b4684
141d35903d72
1510a49da96a
hex95c684920

40205044000 has 192 divisors, whose sum is σ = 108041641344. Its totient is φ = 14582400000.

The previous prime is 40205043997. The next prime is 40205044027. The reversal of 40205044000 is 44050204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21603070 + ... + 21604930.

It is an arithmetic number, because the mean of its divisors is an integer number (562716882).

Almost surely, 240205044000 is an apocalyptic number.

40205044000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40205044000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54020820672).

40205044000 is an abundant number, since it is smaller than the sum of its proper divisors (67836597344).

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

40205044000 is a wasteful number, since it uses less digits than its factorization.

40205044000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388 (or 2370 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

Adding to 40205044000 its reverse (44050204), we get a palindrome (40249094204).

The spelling of 40205044000 in words is "forty billion, two hundred five million, forty-four thousand".