32642644533040 has 40 divisors (see below), whose sum is σ = 79193894132448. Its totient is φ = 12489359646720.

The previous prime is 32642644533019. The next prime is 32642644533041. The reversal of 32642644533040 is 4033544624623.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×32642644533040² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (32642644533041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8870282001 + ... + 8870285680.

Almost surely, 2^{32642644533040} is an apocalyptic number.

It is an amenable number.

32642644533040 is an abundant number, since it is smaller than the sum of its proper divisors (46551249599408).

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

32642644533040 is a wasteful number, since it uses less digits than its factorization.

32642644533040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17740567717 (or 17740567711 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 46.

The spelling of 32642644533040 in words is "thirty-two trillion, six hundred forty-two billion, six hundred forty-four million, five hundred thirty-three thousand, forty".