490155888 has 40 divisors (see below), whose sum is σ = 1275918336. Its totient is φ = 162136000.

The previous prime is 490155881. The next prime is 490155889. The reversal of 490155888 is 888551094.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490155881) by changing a digit.

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, 32688 + ... + 45263.

Almost surely, 2^490155888 is an apocalyptic number.

490155888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

490155888 is an abundant number, since it is smaller than the sum of its proper divisors (785762448).

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

490155888 is a wasteful number, since it uses less digits than its factorization.

490155888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78093 (or 78087 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 48.

The square root of 490155888 is about 22139.4644921687. The cubic root of 490155888 is about 788.4571115079.

The spelling of 490155888 in words is "four hundred ninety million, one hundred fifty-five thousand, eight hundred eighty-eight".