485136920 has 16 divisors (see below), whose sum is σ = 1091558160. Its totient is φ = 194054752.

The previous prime is 485136919. The next prime is 485136923. The reversal of 485136920 is 29631584.

It is a happy number.

It is a super-2 number, since 2×485136920² = 470715662294172800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485136923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6064172 + ... + 6064251.

It is an arithmetic number, because the mean of its divisors is an integer number (68222385).

Almost surely, 2^485136920 is an apocalyptic number.

485136920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

485136920 is an abundant number, since it is smaller than the sum of its proper divisors (606421240).

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

485136920 is a wasteful number, since it uses less digits than its factorization.

485136920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12128434 (or 12128430 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 485136920 is about 22025.8239346454. The cubic root of 485136920 is about 785.7567290099.

The spelling of 485136920 in words is "four hundred eighty-five million, one hundred thirty-six thousand, nine hundred twenty".