254682870057 has 144 divisors (see below), whose sum is σ = 495913953600. Its totient is φ = 127734485760.

The previous prime is 254682869993. The next prime is 254682870061. The reversal of 254682870057 is 750078286452.

254682870057 is a `hidden beast` number, since 2 + 546 + 8 + 28 + 70 + 0 + 5 + 7 = 666.

It is not a de Polignac number, because 254682870057 - 2⁶ = 254682869993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254682869985 and 254682870012.

It is not an unprimeable number, because it can be changed into a prime (254682872057) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 12228669 + ... + 12249477.

It is an arithmetic number, because the mean of its divisors is an integer number (3443846900).

Almost surely, 2^254682870057 is an apocalyptic number.

254682870057 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

254682870057 is a deficient number, since it is larger than the sum of its proper divisors (241231083543).

254682870057 is a wasteful number, since it uses less digits than its factorization.

254682870057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20901 (or 20859 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The spelling of 254682870057 in words is "two hundred fifty-four billion, six hundred eighty-two million, eight hundred seventy thousand, fifty-seven".