499952478 has 16 divisors (see below), whose sum is σ = 1000196496. Its totient is φ = 166602240.

The previous prime is 499952477. The next prime is 499952501. The reversal of 499952478 is 874259994.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499952477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14718 + ... + 34878.

It is an arithmetic number, because the mean of its divisors is an integer number (62512281).

Almost surely, 2^499952478 is an apocalyptic number.

499952478 is an abundant number, since it is smaller than the sum of its proper divisors (500244018).

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

499952478 is a wasteful number, since it uses less digits than its factorization.

499952478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24299.

The product of its digits is 6531840, while the sum is 57.

The square root of 499952478 is about 22359.6171255234. The cubic root of 499952478 is about 793.6753796965.

The spelling of 499952478 in words is "four hundred ninety-nine million, nine hundred fifty-two thousand, four hundred seventy-eight".