8628937040 has 40 divisors (see below), whose sum is σ = 20246356680. Its totient is φ = 3419905536.

The previous prime is 8628936991. The next prime is 8628937069. The reversal of 8628937040 is 407398268.

It can be written as a sum of positive squares in 4 ways, for example, as 4237489216 + 4391447824 = 65096^2 + 66268^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486059 + ... + 503498.

It is an arithmetic number, because the mean of its divisors is an integer number (506158917).

Almost surely, 2^8628937040 is an apocalyptic number.

8628937040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8628937040 is an abundant number, since it is smaller than the sum of its proper divisors (11617419640).

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

8628937040 is a wasteful number, since it uses less digits than its factorization.

8628937040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989679 (or 989673 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 8628937040 is about 92892.0719975607. The cubic root of 8628937040 is about 2051.0949565947.

The spelling of 8628937040 in words is "eight billion, six hundred twenty-eight million, nine hundred thirty-seven thousand, forty".