18948426960 has 40 divisors (see below), whose sum is σ = 58740124320. Its totient is φ = 5052913792.

The previous prime is 18948426953. The next prime is 18948427009. The reversal of 18948426960 is 6962484981.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 18948426960.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39475650 + ... + 39476129.

It is an arithmetic number, because the mean of its divisors is an integer number (1468503108).

Almost surely, 2^18948426960 is an apocalyptic number.

18948426960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18948426960 is an abundant number, since it is smaller than the sum of its proper divisors (39791697360).

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

18948426960 is a wasteful number, since it uses less digits than its factorization.

18948426960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78951795 (or 78951789 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 18948426960 in words is "eighteen billion, nine hundred forty-eight million, four hundred twenty-six thousand, nine hundred sixty".