1572920132928 has 112 divisors (see below), whose sum is σ = 4332714077760. Its totient is φ = 503147925504.

The previous prime is 1572920132923. The next prime is 1572920132939. The reversal of 1572920132928 is 8292310292751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1572920132923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997938 + ... + 2035121.

Almost surely, 2^{1572920132928} is an apocalyptic number.

It is an amenable number.

1572920132928 is an abundant number, since it is smaller than the sum of its proper divisors (2759793944832).

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

1572920132928 is a wasteful number, since it uses less digits than its factorization.

1572920132928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033184 (or 3033174 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 1572920132928 in words is "one trillion, five hundred seventy-two billion, nine hundred twenty million, one hundred thirty-two thousand, nine hundred twenty-eight".