40232013556 has 24 divisors (see below), whose sum is σ = 80622138240. Its totient is φ = 17208410592.

The previous prime is 40232013539. The next prime is 40232013593. The reversal of 40232013556 is 65531023204.

It is a happy number.

It is a super-2 number, since 2×40232013556² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1397200 + ... + 1425703.

It is an arithmetic number, because the mean of its divisors is an integer number (3359255760).

Almost surely, 2^40232013556 is an apocalyptic number.

It is an amenable number.

40232013556 is an abundant number, since it is smaller than the sum of its proper divisors (40390124684).

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

40232013556 is a wasteful number, since it uses less digits than its factorization.

40232013556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823423 (or 2823421 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 40232013556 in words is "forty billion, two hundred thirty-two million, thirteen thousand, five hundred fifty-six".