254262442665 has 64 divisors (see below), whose sum is σ = 515519004672. Its totient is φ = 103935225600.

The previous prime is 254262442613. The next prime is 254262442691. The reversal of 254262442665 is 566244262452.

It is not a de Polignac number, because 254262442665 - 2¹³ = 254262434473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1733977 + ... + 1874886.

It is an arithmetic number, because the mean of its divisors is an integer number (8054984448).

Almost surely, 2^254262442665 is an apocalyptic number.

It is an amenable number.

254262442665 is an abundant number, since it is smaller than the sum of its proper divisors (261256562007).

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

254262442665 is a wasteful number, since it uses less digits than its factorization.

254262442665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3608950.

The product of its digits is 5529600, while the sum is 48.

The spelling of 254262442665 in words is "two hundred fifty-four billion, two hundred sixty-two million, four hundred forty-two thousand, six hundred sixty-five".