10642644445004 has 48 divisors (see below), whose sum is σ = 23032296430080. Its totient is φ = 4230421784640.

The previous prime is 10642644444973. The next prime is 10642644445009. The reversal of 10642644445004 is 40054444624601.

It is a super-2 number, since 2×10642644445004² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (10642644445009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489621284 + ... + 489643019.

It is an arithmetic number, because the mean of its divisors is an integer number (479839508960).

Almost surely, 2^{10642644445004} is an apocalyptic number.

It is an amenable number.

10642644445004 is an abundant number, since it is smaller than the sum of its proper divisors (12389651985076).

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

10642644445004 is a wasteful number, since it uses less digits than its factorization.

10642644445004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979264350 (or 979264348 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 44.

The spelling of 10642644445004 in words is "ten trillion, six hundred forty-two billion, six hundred forty-four million, four hundred forty-five thousand, four".