104815139090940 has 36 divisors (see below), whose sum is σ = 317939255243064. Its totient is φ = 27950703757536.

The previous prime is 104815139090933. The next prime is 104815139090983. The reversal of 104815139090940 is 49090931518401.

It is a happy number.

104815139090940 is a `hidden beast` number, since 1 + 0 + 4 + 81 + 5 + 1 + 390 + 90 + 94 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291153163962 + ... + 291153164321.

It is an arithmetic number, because the mean of its divisors is an integer number (8831645978974).

Almost surely, 2^{104815139090940} is an apocalyptic number.

104815139090940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104815139090940 is an abundant number, since it is smaller than the sum of its proper divisors (213124116152124).

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

104815139090940 is a wasteful number, since it uses less digits than its factorization.

104815139090940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582306328298 (or 582306328293 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 104815139090940 in words is "one hundred four trillion, eight hundred fifteen billion, one hundred thirty-nine million, ninety thousand, nine hundred forty".