461611290 has 64 divisors (see below), whose sum is σ = 1267870464. Its totient is φ = 105366528.

The previous prime is 461611261. The next prime is 461611303. The reversal of 461611290 is 92116164.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258882 + ... + 260658.

It is an arithmetic number, because the mean of its divisors is an integer number (19810476).

Almost surely, 2^461611290 is an apocalyptic number.

461611290 is an abundant number, since it is smaller than the sum of its proper divisors (806259174).

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

461611290 is a wasteful number, since it uses less digits than its factorization.

461611290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 461611290 is about 21485.1411445213. The cubic root of 461611290 is about 772.8445358332.

The spelling of 461611290 in words is "four hundred sixty-one million, six hundred eleven thousand, two hundred ninety".