56249224040 has 16 divisors (see below), whose sum is σ = 126560754180. Its totient is φ = 22499689600.

The previous prime is 56249224037. The next prime is 56249224121. The reversal of 56249224040 is 4042294265.

It can be written as a sum of positive squares in 2 ways, for example, as 53778537604 + 2470686436 = 231902^2 + 49706^2 .

It is a super-2 number, since 2×56249224040² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56249223985 and 56249224003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703115261 + ... + 703115340.

Almost surely, 2^56249224040 is an apocalyptic number.

It is an amenable number.

56249224040 is an abundant number, since it is smaller than the sum of its proper divisors (70311530140).

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

56249224040 is a wasteful number, since it uses less digits than its factorization.

56249224040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406230612 (or 1406230608 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 56249224040 in words is "fifty-six billion, two hundred forty-nine million, two hundred twenty-four thousand, forty".