257553652417270 has 64 divisors (see below), whose sum is σ = 506259101678400. Its totient is φ = 93560074240000.

The previous prime is 257553652417231. The next prime is 257553652417291. The reversal of 257553652417270 is 72714256355752.

It is a junction number, because it is equal to n+sod(n) for n = 257553652417199 and 257553652417208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1846285644 + ... + 1846425136.

It is an arithmetic number, because the mean of its divisors is an integer number (7910298463725).

Almost surely, 2^{257553652417270} is an apocalyptic number.

257553652417270 is a deficient number, since it is larger than the sum of its proper divisors (248705449261130).

257553652417270 is a wasteful number, since it uses less digits than its factorization.

257553652417270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156561.

The product of its (nonzero) digits is 123480000, while the sum is 61.

The spelling of 257553652417270 in words is "two hundred fifty-seven trillion, five hundred fifty-three billion, six hundred fifty-two million, four hundred seventeen thousand, two hundred seventy".