56165342040 has 48 divisors (see below), whose sum is σ = 182537362800. Its totient is φ = 14977424448.

The previous prime is 56165341963. The next prime is 56165342041. The reversal of 56165342040 is 4024356165.

56165342040 is a `hidden beast` number, since 5 + 61 + 6 + 534 + 20 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 56165341986 and 56165342004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56165342041) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 78007060 + ... + 78007779.

It is an arithmetic number, because the mean of its divisors is an integer number (3802861725).

Almost surely, 2^56165342040 is an apocalyptic number.

It is an amenable number.

56165342040 is an abundant number, since it is smaller than the sum of its proper divisors (126372020760).

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

56165342040 is a wasteful number, since it uses less digits than its factorization.

56165342040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156014856 (or 156014849 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 56165342040 in words is "fifty-six billion, one hundred sixty-five million, three hundred forty-two thousand, forty".