490157268 has 24 divisors (see below), whose sum is σ = 1144092768. Its totient is φ = 163329696.

The previous prime is 490157251. The next prime is 490157273. The reversal of 490157268 is 862751094.

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, 44655 + ... + 54537.

It is an arithmetic number, because the mean of its divisors is an integer number (47670532).

Almost surely, 2^490157268 is an apocalyptic number.

It is an amenable number.

490157268 is an abundant number, since it is smaller than the sum of its proper divisors (653935500).

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

490157268 is a wasteful number, since it uses less digits than its factorization.

490157268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14023 (or 14021 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 490157268 is about 22139.4956582123. The cubic root of 490157268 is about 788.4578514560.

The spelling of 490157268 in words is "four hundred ninety million, one hundred fifty-seven thousand, two hundred sixty-eight".