32056707640 has 32 divisors (see below), whose sum is σ = 72156980880. Its totient is φ = 12817458432.

The previous prime is 32056707629. The next prime is 32056707643. The reversal of 32056707640 is 4670765023.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 32056707593 and 32056707602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32056707643) 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 7 ways as a sum of consecutive naturals, for example, 63114 + ... + 260953.

Almost surely, 2^32056707640 is an apocalyptic number.

It is an amenable number.

32056707640 is an abundant number, since it is smaller than the sum of its proper divisors (40100273240).

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

32056707640 is a wasteful number, since it uses less digits than its factorization.

32056707640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326551 (or 326547 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

The spelling of 32056707640 in words is "thirty-two billion, fifty-six million, seven hundred seven thousand, six hundred forty".