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40052354120 = 2352588938677
BaseRepresentation
bin100101010011010011…
…100110110001001000
310211101022120101211222
4211103103212301020
51124011400312440
630222204541212
72615351251502
oct452323466110
9124338511758
1040052354120
1115a93567509
127919551808
133a13b8332c
141d1d518d72
1510963c92b5
hex9534e6c48

40052354120 has 32 divisors (see below), whose sum is σ = 90123607800. Its totient is φ = 16019908608.

The previous prime is 40052354117. The next prime is 40052354159. The reversal of 40052354120 is 2145325004.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 31528263844 + 8524090276 = 177562^2 + 92326^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40052354120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016222 + ... + 1054898.

Almost surely, 240052354120 is an apocalyptic number.

40052354120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40052354120 is an abundant number, since it is smaller than the sum of its proper divisors (50071253680).

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

40052354120 is a wasteful number, since it uses less digits than its factorization.

40052354120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64577 (or 64573 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 40052354120 its reverse (2145325004), we get a palindrome (42197679124).

The spelling of 40052354120 in words is "forty billion, fifty-two million, three hundred fifty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 25889 38677 51778 77354 103556 129445 154708 193385 207112 258890 309416 386770 517780 773540 1035560 1547080 1001308853 2002617706 4005235412 5006544265 8010470824 10013088530 20026177060 40052354120