490312156 has 12 divisors (see below), whose sum is σ = 860843368. Its totient is φ = 244356912.

The previous prime is 490312139. The next prime is 490312159. The reversal of 490312156 is 651213094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490312159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198411 + ... + 200866.

Almost surely, 2^490312156 is an apocalyptic number.

It is an amenable number.

490312156 is a deficient number, since it is larger than the sum of its proper divisors (370531212).

490312156 is a wasteful number, since it uses less digits than its factorization.

490312156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399588 (or 399586 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 490312156 is about 22142.9933839127. The cubic root of 490312156 is about 788.5408926937.

The spelling of 490312156 in words is "four hundred ninety million, three hundred twelve thousand, one hundred fifty-six".