254252140644 has 48 divisors (see below), whose sum is σ = 604602835200. Its totient is φ = 83135749536.

The previous prime is 254252140603. The next prime is 254252140679. The reversal of 254252140644 is 446041252452.

254252140644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53854 + ... + 715125.

It is an arithmetic number, because the mean of its divisors is an integer number (12595892400).

Almost surely, 2^254252140644 is an apocalyptic number.

It is an amenable number.

254252140644 is an abundant number, since it is smaller than the sum of its proper divisors (350350694556).

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

254252140644 is a wasteful number, since it uses less digits than its factorization.

254252140644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769512 (or 769510 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 39.

The spelling of 254252140644 in words is "two hundred fifty-four billion, two hundred fifty-two million, one hundred forty thousand, six hundred forty-four".