257046062607378 has 40 divisors (see below), whose sum is σ = 628334819711280. Its totient is φ = 77892746244120.

The previous prime is 257046062607377. The next prime is 257046062607413. The reversal of 257046062607378 is 873706260640752.

257046062607378 is a `hidden beast` number, since 2 + 57 + 0 + 460 + 62 + 60 + 7 + 3 + 7 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (257046062607377) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 72122911408 + ... + 72122914971.

It is an arithmetic number, because the mean of its divisors is an integer number (15708370492782).

Almost surely, 2^{257046062607378} is an apocalyptic number.

257046062607378 is an abundant number, since it is smaller than the sum of its proper divisors (371288757103902).

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

257046062607378 is a wasteful number, since it uses less digits than its factorization.

257046062607378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144245826404 (or 144245826395 counting only the distinct ones).

The product of its (nonzero) digits is 142248960, while the sum is 63.

The spelling of 257046062607378 in words is "two hundred fifty-seven trillion, forty-six billion, sixty-two million, six hundred seven thousand, three hundred seventy-eight".