460172157490 has 16 divisors (see below), whose sum is σ = 830375501400. Its totient is φ = 183609836800.

The previous prime is 460172157481. The next prime is 460172157493. The reversal of 460172157490 is 94751271064.

It can be written as a sum of positive squares in 4 ways, for example, as 407749933809 + 52422223681 = 638553^2 + 228959^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 460172157490.

It is not an unprimeable number, because it can be changed into a prime (460172157493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57374065 + ... + 57382084.

Almost surely, 2^460172157490 is an apocalyptic number.

460172157490 is a deficient number, since it is larger than the sum of its proper divisors (370203343910).

460172157490 is a wasteful number, since it uses less digits than its factorization.

460172157490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114756557.

The product of its (nonzero) digits is 423360, while the sum is 46.

It can be divided in two parts, 4601 and 72157490, that added together give a triangular number (72162091 = T₁₂₀₁₃).

The spelling of 460172157490 in words is "four hundred sixty billion, one hundred seventy-two million, one hundred fifty-seven thousand, four hundred ninety".