461940220 has 48 divisors (see below), whose sum is σ = 1110509568. Its totient is φ = 158114880.

The previous prime is 461940187. The next prime is 461940253. The reversal of 461940220 is 22049164.

It is an interprime number because it is at equal distance from previous prime (461940187) and next prime (461940253).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93205 + ... + 98035.

It is an arithmetic number, because the mean of its divisors is an integer number (23135616).

Almost surely, 2^461940220 is an apocalyptic number.

It is an amenable number.

461940220 is an abundant number, since it is smaller than the sum of its proper divisors (648569348).

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

461940220 is a wasteful number, since it uses less digits than its factorization.

461940220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530 (or 5528 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 461940220 is about 21492.7946065652. The cubic root of 461940220 is about 773.0280606598.

Adding to 461940220 its reverse (22049164), we get a palindrome (483989384).

The spelling of 461940220 in words is "four hundred sixty-one million, nine hundred forty thousand, two hundred twenty".