257622142146552 has 48 divisors (see below), whose sum is σ = 728062575636240. Its totient is φ = 82140393147648.

The previous prime is 257622142146547. The next prime is 257622142146599. The reversal of 257622142146552 is 255641241226752.

257622142146552 is a `hidden beast` number, since 2 + 5 + 7 + 6 + 2 + 2 + 1 + 42 + 1 + 46 + 552 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77784461553 + ... + 77784464864.

It is an arithmetic number, because the mean of its divisors is an integer number (15167970325755).

Almost surely, 2^{257622142146552} is an apocalyptic number.

It is an amenable number.

257622142146552 is an abundant number, since it is smaller than the sum of its proper divisors (470440433489688).

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

257622142146552 is a wasteful number, since it uses less digits than its factorization.

257622142146552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155568926452 (or 155568926445 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 54.

The spelling of 257622142146552 in words is "two hundred fifty-seven trillion, six hundred twenty-two billion, one hundred forty-two million, one hundred forty-six thousand, five hundred fifty-two".