490468151898 has 24 divisors (see below), whose sum is σ = 1064899555200. Its totient is φ = 163148067144.

The previous prime is 490468151863. The next prime is 490468151933. The reversal of 490468151898 is 898151864094.

490468151898 is a `hidden beast` number, since 4 + 90 + 468 + 1 + 5 + 1 + 89 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (490468151863) and next prime (490468151933).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 28434208 + ... + 28451451.

It is an arithmetic number, because the mean of its divisors is an integer number (44370814800).

Almost surely, 2^490468151898 is an apocalyptic number.

490468151898 is an abundant number, since it is smaller than the sum of its proper divisors (574431403302).

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

490468151898 is a wasteful number, since it uses less digits than its factorization.

490468151898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56886146 (or 56886143 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 63.

The spelling of 490468151898 in words is "four hundred ninety billion, four hundred sixty-eight million, one hundred fifty-one thousand, eight hundred ninety-eight".