40993182252 has 72 divisors (see below), whose sum is σ = 118991396160. Its totient is φ = 11768375520.

The previous prime is 40993182211. The next prime is 40993182253. The reversal of 40993182252 is 25228139904.

40993182252 is a `hidden beast` number, since 409 + 9 + 3 + 18 + 225 + 2 = 666.

It is a super-2 number, since 2×40993182252² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40993182198 and 40993182207.

It is not an unprimeable number, because it can be changed into a prime (40993182253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2716638 + ... + 2731685.

It is an arithmetic number, because the mean of its divisors is an integer number (1652658280).

Almost surely, 2^40993182252 is an apocalyptic number.

It is an amenable number.

40993182252 is an abundant number, since it is smaller than the sum of its proper divisors (77998213908).

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

40993182252 is a wasteful number, since it uses less digits than its factorization.

40993182252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5448363 (or 5448358 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 40993182252 in words is "forty billion, nine hundred ninety-three million, one hundred eighty-two thousand, two hundred fifty-two".