490735299128 has 16 divisors (see below), whose sum is σ = 920136479760. Its totient is φ = 245365571200.

The previous prime is 490735299107. The next prime is 490735299133. The reversal of 490735299128 is 821992537094.

It is a super-2 number, since 2×490735299128² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1281773 + ... + 1620003.

It is an arithmetic number, because the mean of its divisors is an integer number (57508529985).

Almost surely, 2^490735299128 is an apocalyptic number.

It is an amenable number.

490735299128 is a deficient number, since it is larger than the sum of its proper divisors (429401180632).

490735299128 is a wasteful number, since it uses less digits than its factorization.

490735299128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519598 (or 519594 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 59.

The spelling of 490735299128 in words is "four hundred ninety billion, seven hundred thirty-five million, two hundred ninety-nine thousand, one hundred twenty-eight".