46478220 has 48 divisors (see below), whose sum is σ = 130512480. Its totient is φ = 12358656.

The previous prime is 46478219. The next prime is 46478249. The reversal of 46478220 is 2287464.

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, 25086 + ... + 26874.

It is an arithmetic number, because the mean of its divisors is an integer number (2719010).

Almost surely, 2^46478220 is an apocalyptic number.

It is an amenable number.

46478220 is an abundant number, since it is smaller than the sum of its proper divisors (84034260).

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

46478220 is a wasteful number, since it uses less digits than its factorization.

46478220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234 (or 2232 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 46478220 is about 6817.4936743645. The cubic root of 46478220 is about 359.5421649021.

The spelling of 46478220 in words is "forty-six million, four hundred seventy-eight thousand, two hundred twenty".