490574128898 has 16 divisors (see below), whose sum is σ = 844087490304. Its totient is φ = 209470237920.

The previous prime is 490574128897. The next prime is 490574128903. The reversal of 490574128898 is 898821475094.

It is not an unprimeable number, because it can be changed into a prime (490574128897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64647515 + ... + 64655102.

It is an arithmetic number, because the mean of its divisors is an integer number (52755468144).

Almost surely, 2^490574128898 is an apocalyptic number.

490574128898 is a deficient number, since it is larger than the sum of its proper divisors (353513361406).

490574128898 is a wasteful number, since it uses less digits than its factorization.

490574128898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129302897.

The product of its (nonzero) digits is 46448640, while the sum is 65.

The spelling of 490574128898 in words is "four hundred ninety billion, five hundred seventy-four million, one hundred twenty-eight thousand, eight hundred ninety-eight".