18956057248 has 24 divisors (see below), whose sum is σ = 37364271840. Its totient is φ = 9466718400.

The previous prime is 18956057207. The next prime is 18956057279. The reversal of 18956057248 is 84275065981.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326178 + ... + 379873.

It is an arithmetic number, because the mean of its divisors is an integer number (1556844660).

Almost surely, 2^18956057248 is an apocalyptic number.

It is an amenable number.

18956057248 is a deficient number, since it is larger than the sum of its proper divisors (18408214592).

18956057248 is an equidigital number, since it uses as much as digits as its factorization.

18956057248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706900 (or 706892 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 18956057248 in words is "eighteen billion, nine hundred fifty-six million, fifty-seven thousand, two hundred forty-eight".