254800691421864 has 128 divisors (see below), whose sum is σ = 770900279996160. Its totient is φ = 68511196643328.

The previous prime is 254800691421833. The next prime is 254800691421911. The reversal of 254800691421864 is 468124196008452.

It is a junction number, because it is equal to n+sod(n) for n = 254800691421798 and 254800691421807.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25207104 + ... + 33837840.

It is an arithmetic number, because the mean of its divisors is an integer number (6022658437470).

Almost surely, 2^{254800691421864} is an apocalyptic number.

254800691421864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

254800691421864 is an abundant number, since it is smaller than the sum of its proper divisors (516099588574296).

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

254800691421864 is a wasteful number, since it uses less digits than its factorization.

254800691421864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8641107 (or 8641103 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 60.

The spelling of 254800691421864 in words is "two hundred fifty-four trillion, eight hundred billion, six hundred ninety-one million, four hundred twenty-one thousand, eight hundred sixty-four".