490928748986 has 32 divisors (see below), whose sum is σ = 806583415680. Its totient is φ = 222713580096.

The previous prime is 490928748941. The next prime is 490928749013. The reversal of 490928748986 is 689847829094.

It is a happy number.

It is a super-2 number, since 2×490928748986² (a number of 24 digits) contains 22 as substring.

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, 16071800 + ... + 16102316.

It is an arithmetic number, because the mean of its divisors is an integer number (25205731740).

Almost surely, 2^490928748986 is an apocalyptic number.

490928748986 is a deficient number, since it is larger than the sum of its proper divisors (315654666694).

490928748986 is a wasteful number, since it uses less digits than its factorization.

490928748986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41078.

The product of its (nonzero) digits is 501645312, while the sum is 74.

The spelling of 490928748986 in words is "four hundred ninety billion, nine hundred twenty-eight million, seven hundred forty-eight thousand, nine hundred eighty-six".