107890371540 has 144 divisors (see below), whose sum is σ = 381978035712. Its totient is φ = 24135948288.

The previous prime is 107890371539. The next prime is 107890371553. The reversal of 107890371540 is 45173098701.

107890371540 is a `hidden beast` number, since 1 + 0 + 78 + 9 + 0 + 37 + 1 + 540 = 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 47 ways as a sum of consecutive naturals, for example, 851709 + ... + 970148.

It is an arithmetic number, because the mean of its divisors is an integer number (2652625248).

Almost surely, 2^107890371540 is an apocalyptic number.

107890371540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107890371540 is an abundant number, since it is smaller than the sum of its proper divisors (274087664172).

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

107890371540 is a wasteful number, since it uses less digits than its factorization.

107890371540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821926 (or 1821921 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 107890371540 in words is "one hundred seven billion, eight hundred ninety million, three hundred seventy-one thousand, five hundred forty".