1040728257572 has 12 divisors (see below), whose sum is σ = 1821605209200. Its totient is φ = 520269626376.

The previous prime is 1040728257553. The next prime is 1040728257601. The reversal of 1040728257572 is 2757528270401.

It is a super-2 number, since 2×1040728257572² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1040728257572.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23600822 + ... + 23644877.

It is an arithmetic number, because the mean of its divisors is an integer number (151800434100).

Almost surely, 2^{1040728257572} is an apocalyptic number.

It is an amenable number.

1040728257572 is a deficient number, since it is larger than the sum of its proper divisors (780876951628).

1040728257572 is a wasteful number, since it uses less digits than its factorization.

1040728257572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47251210 (or 47251208 counting only the distinct ones).

The product of its (nonzero) digits is 2195200, while the sum is 50.

The spelling of 1040728257572 in words is "one trillion, forty billion, seven hundred twenty-eight million, two hundred fifty-seven thousand, five hundred seventy-two".