479149540 has 24 divisors (see below), whose sum is σ = 1007004600. Its totient is φ = 191509248.

The previous prime is 479149529. The next prime is 479149591. The reversal of 479149540 is 45941974.

It can be written as a sum of positive squares in 4 ways, for example, as 345885604 + 133263936 = 18598^2 + 11544^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18736 + ... + 36184.

It is an arithmetic number, because the mean of its divisors is an integer number (41958525).

Almost surely, 2^479149540 is an apocalyptic number.

It is an amenable number.

479149540 is an abundant number, since it is smaller than the sum of its proper divisors (527855060).

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

479149540 is a wasteful number, since it uses less digits than its factorization.

479149540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18831 (or 18829 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 479149540 is about 21889.4846901429. The cubic root of 479149540 is about 782.5108328686.

The spelling of 479149540 in words is "four hundred seventy-nine million, one hundred forty-nine thousand, five hundred forty".