479881840 has 40 divisors (see below), whose sum is σ = 1117035648. Its totient is φ = 191727360.

The previous prime is 479881837. The next prime is 479881877. The reversal of 479881840 is 48188974.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76254 + ... + 82306.

Almost surely, 2^479881840 is an apocalyptic number.

479881840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

479881840 is an abundant number, since it is smaller than the sum of its proper divisors (637153808).

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

479881840 is a wasteful number, since it uses less digits than its factorization.

479881840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7057 (or 7051 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 49.

The square root of 479881840 is about 21906.2055135069. The cubic root of 479881840 is about 782.9092756334.

The spelling of 479881840 in words is "four hundred seventy-nine million, eight hundred eighty-one thousand, eight hundred forty".