257364282221004 has 48 divisors (see below), whose sum is σ = 686324273838336. Its totient is φ = 73530560500800.

The previous prime is 257364282220979. The next prime is 257364282221021. The reversal of 257364282221004 is 400122282463752.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40602267 + ... + 46510994.

It is an arithmetic number, because the mean of its divisors is an integer number (14298422371632).

Almost surely, 2^{257364282221004} is an apocalyptic number.

It is an amenable number.

257364282221004 is an abundant number, since it is smaller than the sum of its proper divisors (428959991617332).

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

257364282221004 is a wasteful number, since it uses less digits than its factorization.

257364282221004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87148446 (or 87148444 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 48.

The spelling of 257364282221004 in words is "two hundred fifty-seven trillion, three hundred sixty-four billion, two hundred eighty-two million, two hundred twenty-one thousand, four".