473647440 has 80 divisors (see below), whose sum is σ = 1678071168. Its totient is φ = 108261888.

The previous prime is 473647403. The next prime is 473647469. The reversal of 473647440 is 44746374.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 139287 + ... + 142646.

Almost surely, 2^473647440 is an apocalyptic number.

473647440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

473647440 is an abundant number, since it is smaller than the sum of its proper divisors (1204423728).

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

473647440 is a wasteful number, since it uses less digits than its factorization.

473647440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281956 (or 281950 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 39.

The square root of 473647440 is about 21763.4427423604. The cubic root of 473647440 is about 779.5040897726.

The spelling of 473647440 in words is "four hundred seventy-three million, six hundred forty-seven thousand, four hundred forty".