17950913960 has 64 divisors (see below), whose sum is σ = 48166444800. Its totient is φ = 5887005696.

The previous prime is 17950913951. The next prime is 17950913977. The reversal of 17950913960 is 6931905971.

It is a junction number, because it is equal to n+sod(n) for n = 17950913899 and 17950913908.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1387265 + ... + 1400144.

It is an arithmetic number, because the mean of its divisors is an integer number (752600700).

Almost surely, 2^17950913960 is an apocalyptic number.

17950913960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17950913960 is an abundant number, since it is smaller than the sum of its proper divisors (30215530840).

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

17950913960 is a wasteful number, since it uses less digits than its factorization.

17950913960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787450 (or 2787446 counting only the distinct ones).

The product of its (nonzero) digits is 459270, while the sum is 50.

The spelling of 17950913960 in words is "seventeen billion, nine hundred fifty million, nine hundred thirteen thousand, nine hundred sixty".