461136040 has 32 divisors (see below), whose sum is σ = 1057137480. Its totient is φ = 180973312.

The previous prime is 461136029. The next prime is 461136073. The reversal of 461136040 is 40631164.

It can be written as a sum of positive squares in 4 ways, for example, as 461132676 + 3364 = 21474^2 + 58^2 .

It is a junction number, because it is equal to n+sod(n) for n = 461135996 and 461136014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106639 + ... + 110878.

Almost surely, 2^461136040 is an apocalyptic number.

461136040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

461136040 is an abundant number, since it is smaller than the sum of its proper divisors (596001440).

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

461136040 is a wasteful number, since it uses less digits than its factorization.

461136040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217581 (or 217577 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 461136040 is about 21474.0783271367. The cubic root of 461136040 is about 772.5792184586.

The spelling of 461136040 in words is "four hundred sixty-one million, one hundred thirty-six thousand, forty".