634042850 has 72 divisors (see below), whose sum is σ = 1382606820. Its totient is φ = 215685120.

The previous prime is 634042847. The next prime is 634042859. The reversal of 634042850 is 58240436.

It can be written as a sum of positive squares in 6 ways, for example, as 249608401 + 384434449 = 15799^2 + 19607^2 .

It is a super-2 number, since 2×634042850² = 804020671272245000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (634042859) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 334706 + ... + 336594.

Almost surely, 2^634042850 is an apocalyptic number.

634042850 is an abundant number, since it is smaller than the sum of its proper divisors (748563970).

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

634042850 is a wasteful number, since it uses less digits than its factorization.

634042850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052 (or 2040 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 634042850 is about 25180.2075051021. The cubic root of 634042850 is about 859.0917263159.

The spelling of 634042850 in words is "six hundred thirty-four million, forty-two thousand, eight hundred fifty".