472491920 has 40 divisors (see below), whose sum is σ = 1100983104. Its totient is φ = 188577152.

The previous prime is 472491917. The next prime is 472491941. The reversal of 472491920 is 29194274.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×472491920² = 446497228930572800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31037 + ... + 43683.

Almost surely, 2^472491920 is an apocalyptic number.

472491920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

472491920 is an abundant number, since it is smaller than the sum of its proper divisors (628491184).

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

472491920 is a wasteful number, since it uses less digits than its factorization.

472491920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13127 (or 13121 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 472491920 is about 21736.8792608323. The cubic root of 472491920 is about 778.8696755325.

The spelling of 472491920 in words is "four hundred seventy-two million, four hundred ninety-one thousand, nine hundred twenty".