490862440 has 16 divisors (see below), whose sum is σ = 1104440580. Its totient is φ = 196344960.

The previous prime is 490862429. The next prime is 490862447. The reversal of 490862440 is 44268094.

It can be written as a sum of positive squares in 2 ways, for example, as 488321604 + 2540836 = 22098^2 + 1594^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 490862440.

It is not an unprimeable number, because it can be changed into a prime (490862447) 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, 6135741 + ... + 6135820.

Almost surely, 2^490862440 is an apocalyptic number.

490862440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

490862440 is an abundant number, since it is smaller than the sum of its proper divisors (613578140).

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

490862440 is a wasteful number, since it uses less digits than its factorization.

490862440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12271572 (or 12271568 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 490862440 is about 22155.4155907760. The cubic root of 490862440 is about 788.8357791250.

The spelling of 490862440 in words is "four hundred ninety million, eight hundred sixty-two thousand, four hundred forty".