485220438 has 12 divisors (see below), whose sum is σ = 1051310988. Its totient is φ = 161740140.

The previous prime is 485220389. The next prime is 485220469. The reversal of 485220438 is 834022584.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13478328 + ... + 13478363.

It is an arithmetic number, because the mean of its divisors is an integer number (87609249).

Almost surely, 2^485220438 is an apocalyptic number.

485220438 is an abundant number, since it is smaller than the sum of its proper divisors (566090550).

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

485220438 is a wasteful number, since it uses less digits than its factorization.

485220438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26956699 (or 26956696 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 485220438 is about 22027.7197639701. The cubic root of 485220438 is about 785.8018166695.

The spelling of 485220438 in words is "four hundred eighty-five million, two hundred twenty thousand, four hundred thirty-eight".