254909090816 has 44 divisors (see below), whose sum is σ = 509639379240. Its totient is φ = 127437004800.

The previous prime is 254909090801. The next prime is 254909090831. The reversal of 254909090816 is 618090909452.

It is an interprime number because it is at equal distance from previous prime (254909090801) and next prime (254909090831).

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

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, 10698116 + ... + 10721916.

Almost surely, 2^254909090816 is an apocalyptic number.

It is an amenable number.

254909090816 is a deficient number, since it is larger than the sum of its proper divisors (254730288424).

254909090816 is a wasteful number, since it uses less digits than its factorization.

254909090816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34280 (or 34262 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 254909090816 in words is "two hundred fifty-four billion, nine hundred nine million, ninety thousand, eight hundred sixteen".