253416046450 has 36 divisors (see below), whose sum is σ = 548309581722. Its totient is φ = 86885500800.

The previous prime is 253416046397. The next prime is 253416046489. The reversal of 253416046450 is 54640614352.

It can be written as a sum of positive squares in 3 ways, for example, as 127864171561 + 125551874889 = 357581^2 + 354333^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 51715111 + ... + 51720010.

Almost surely, 2^253416046450 is an apocalyptic number.

253416046450 is an abundant number, since it is smaller than the sum of its proper divisors (294893535272).

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

253416046450 is a wasteful number, since it uses less digits than its factorization.

253416046450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103435147 (or 103435135 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 253416046450 in words is "two hundred fifty-three billion, four hundred sixteen million, forty-six thousand, four hundred fifty".