8815555040 has 48 divisors (see below), whose sum is σ = 20845278720. Its totient is φ = 3523084800.

The previous prime is 8815554997. The next prime is 8815555061. The reversal of 8815555040 is 405555188.

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, 160226 + ... + 208094.

It is an arithmetic number, because the mean of its divisors is an integer number (434276640).

Almost surely, 2^8815555040 is an apocalyptic number.

8815555040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8815555040 is an abundant number, since it is smaller than the sum of its proper divisors (12029723680).

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

8815555040 is a wasteful number, since it uses less digits than its factorization.

8815555040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49035 (or 49027 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 41.

The square root of 8815555040 is about 93891.1872328814. The cubic root of 8815555040 is about 2065.7759662758.

The spelling of 8815555040 in words is "eight billion, eight hundred fifteen million, five hundred fifty-five thousand, forty".