126570528840 has 64 divisors (see below), whose sum is σ = 433956101760. Its totient is φ = 28930406400.

The previous prime is 126570528823. The next prime is 126570528863. The reversal of 126570528840 is 48825075621.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 126570528840.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75338761 + ... + 75340440.

It is an arithmetic number, because the mean of its divisors is an integer number (6780564090).

Almost surely, 2^126570528840 is an apocalyptic number.

126570528840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126570528840 is an abundant number, since it is smaller than the sum of its proper divisors (307385572920).

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

126570528840 is a wasteful number, since it uses less digits than its factorization.

126570528840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150679222 (or 150679218 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 126570528840 in words is "one hundred twenty-six billion, five hundred seventy million, five hundred twenty-eight thousand, eight hundred forty".