461451113220 has 48 divisors (see below), whose sum is σ = 1299281376960. Its totient is φ = 122366176896.

The previous prime is 461451113183. The next prime is 461451113257. The reversal of 461451113220 is 22311154164.

It is an interprime number because it is at equal distance from previous prime (461451113183) and next prime (461451113257).

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

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, 21472087 + ... + 21493566.

It is an arithmetic number, because the mean of its divisors is an integer number (27068362020).

Almost surely, 2^461451113220 is an apocalyptic number.

It is an amenable number.

461451113220 is an abundant number, since it is smaller than the sum of its proper divisors (837830263740).

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

461451113220 is a wasteful number, since it uses less digits than its factorization.

461451113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42965844 (or 42965842 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 461451113220 its reverse (22311154164), we get a palindrome (483762267384).

The spelling of 461451113220 in words is "four hundred sixty-one billion, four hundred fifty-one million, one hundred thirteen thousand, two hundred twenty".