257154057022 has 32 divisors (see below), whose sum is σ = 399050809344. Its totient is φ = 124155720000.

The previous prime is 257154056977. The next prime is 257154057023. The reversal of 257154057022 is 220750451752.

It is a super-2 number, since 2×257154057022² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257154057023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89071663 + ... + 89074549.

It is an arithmetic number, because the mean of its divisors is an integer number (12470337792).

Almost surely, 2^257154057022 is an apocalyptic number.

257154057022 is a deficient number, since it is larger than the sum of its proper divisors (141896752322).

257154057022 is a wasteful number, since it uses less digits than its factorization.

257154057022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584.

The product of its (nonzero) digits is 196000, while the sum is 40.

The spelling of 257154057022 in words is "two hundred fifty-seven billion, one hundred fifty-four million, fifty-seven thousand, twenty-two".