490881278622 has 32 divisors (see below), whose sum is σ = 1144912608000. Its totient is φ = 140251793304.

The previous prime is 490881278539. The next prime is 490881278639. The reversal of 490881278622 is 226872188094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119259672 + ... + 119263787.

It is an arithmetic number, because the mean of its divisors is an integer number (35778519000).

Almost surely, 2^490881278622 is an apocalyptic number.

490881278622 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

490881278622 is an abundant number, since it is smaller than the sum of its proper divisors (654031329378).

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

490881278622 is a wasteful number, since it uses less digits than its factorization.

490881278622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238523485 (or 238523471 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 57.

The spelling of 490881278622 in words is "four hundred ninety billion, eight hundred eighty-one million, two hundred seventy-eight thousand, six hundred twenty-two".