40521856613052 has 96 divisors (see below), whose sum is σ = 96954269126400. Its totient is φ = 13164629184000.

The previous prime is 40521856613041. The next prime is 40521856613071. The reversal of 40521856613052 is 25031665812504.

It is a super-2 number, since 2×40521856613052² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40521856612992 and 40521856613010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2269995927 + ... + 2270013777.

It is an arithmetic number, because the mean of its divisors is an integer number (1009940303400).

Almost surely, 2^{40521856613052} is an apocalyptic number.

It is an amenable number.

40521856613052 is an abundant number, since it is smaller than the sum of its proper divisors (56432412513348).

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

40521856613052 is a wasteful number, since it uses less digits than its factorization.

40521856613052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22267 (or 22265 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 40521856613052 in words is "forty trillion, five hundred twenty-one billion, eight hundred fifty-six million, six hundred thirteen thousand, fifty-two".