102173360940 has 72 divisors (see below), whose sum is σ = 354200988960. Its totient is φ = 23353910784.

The previous prime is 102173360929. The next prime is 102173360953. The reversal of 102173360940 is 49063371201.

102173360940 is a `hidden beast` number, since 1 + 0 + 2 + 1 + 7 + 3 + 3 + 609 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 102173360895 and 102173360904.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40543725 + ... + 40546244.

It is an arithmetic number, because the mean of its divisors is an integer number (4919458180).

Almost surely, 2^102173360940 is an apocalyptic number.

102173360940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102173360940 is an abundant number, since it is smaller than the sum of its proper divisors (252027628020).

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

102173360940 is a wasteful number, since it uses less digits than its factorization.

102173360940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81089991 (or 81089986 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 102173360940 in words is "one hundred two billion, one hundred seventy-three million, three hundred sixty thousand, nine hundred forty".