18640890104760 has 384 divisors, whose sum is σ = 77138985830400. Its totient is φ = 3791018004480.

The previous prime is 18640890104731. The next prime is 18640890104773. The reversal of 18640890104760 is 6740109804681.

18640890104760 is a `hidden beast` number, since 1 + 86 + 4 + 0 + 8 + 90 + 1 + 0 + 476 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 18640890104697 and 18640890104706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5851105 + ... + 8456784.

It is an arithmetic number, because the mean of its divisors is an integer number (200882775600).

Almost surely, 2^{18640890104760} is an apocalyptic number.

18640890104760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18640890104760 is an abundant number, since it is smaller than the sum of its proper divisors (58498095725640).

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

18640890104760 is a wasteful number, since it uses less digits than its factorization.

18640890104760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14307971 (or 14307964 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 18640890104760 in words is "eighteen trillion, six hundred forty billion, eight hundred ninety million, one hundred four thousand, seven hundred sixty".