1029644442504 has 96 divisors (see below), whose sum is σ = 2991623544000. Its totient is φ = 331379802432.

The previous prime is 1029644442493. The next prime is 1029644442511. The reversal of 1029644442504 is 4052444469201.

1029644442504 is a `hidden beast` number, since 1 + 0 + 2 + 9 + 64 + 44 + 42 + 504 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1029644442504.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9075564 + ... + 9188315.

It is an arithmetic number, because the mean of its divisors is an integer number (31162745250).

Almost surely, 2^{1029644442504} is an apocalyptic number.

It is an amenable number.

1029644442504 is an abundant number, since it is smaller than the sum of its proper divisors (1961979101496).

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

1029644442504 is a wasteful number, since it uses less digits than its factorization.

1029644442504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18263929 (or 18263913 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 1029644442504 in words is "one trillion, twenty-nine billion, six hundred forty-four million, four hundred forty-two thousand, five hundred four".