479740440 has 64 divisors (see below), whose sum is σ = 1501804800. Its totient is φ = 122367872.

The previous prime is 479740427. The next prime is 479740441. The reversal of 479740440 is 44047974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479740441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84150 + ... + 89669.

It is an arithmetic number, because the mean of its divisors is an integer number (23465700).

Almost surely, 2^479740440 is an apocalyptic number.

479740440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

479740440 is an abundant number, since it is smaller than the sum of its proper divisors (1022064360).

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

479740440 is a wasteful number, since it uses less digits than its factorization.

479740440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173856 (or 173852 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 479740440 is about 21902.9778797313. The cubic root of 479740440 is about 782.8323718088.

The spelling of 479740440 in words is "four hundred seventy-nine million, seven hundred forty thousand, four hundred forty".