8125926840 has 96 divisors (see below), whose sum is σ = 27799246800. Its totient is φ = 2052864000.

The previous prime is 8125926829. The next prime is 8125926889. The reversal of 8125926840 is 486295218.

8125926840 is a `hidden beast` number, since 8 + 12 + 592 + 6 + 8 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 587161 + ... + 600840.

Almost surely, 2^8125926840 is an apocalyptic number.

It is an amenable number.

8125926840 is an abundant number, since it is smaller than the sum of its proper divisors (19673319960).

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

8125926840 is a wasteful number, since it uses less digits than its factorization.

8125926840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188037 (or 1188030 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 8125926840 is about 90143.9229232897. The cubic root of 8125926840 is about 2010.4393188386.

The spelling of 8125926840 in words is "eight billion, one hundred twenty-five million, nine hundred twenty-six thousand, eight hundred forty".