461730290 has 32 divisors (see below), whose sum is σ = 991146240. Its totient is φ = 151424064.

The previous prime is 461730281. The next prime is 461730293. The reversal of 461730290 is 92037164.

It is not an unprimeable number, because it can be changed into a prime (461730293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141785 + ... + 145004.

It is an arithmetic number, because the mean of its divisors is an integer number (30973320).

Almost surely, 2^461730290 is an apocalyptic number.

461730290 is an abundant number, since it is smaller than the sum of its proper divisors (529415950).

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

461730290 is a wasteful number, since it uses less digits than its factorization.

461730290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286826.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 461730290 is about 21487.9103218531. The cubic root of 461730290 is about 772.9109413421.

The spelling of 461730290 in words is "four hundred sixty-one million, seven hundred thirty thousand, two hundred ninety".