491002445474 has 32 divisors (see below), whose sum is σ = 757917216000. Its totient is φ = 238446115200.

The previous prime is 491002445443. The next prime is 491002445497. The reversal of 491002445474 is 474544200194.

It is a super-2 number, since 2×491002445474² (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, 15797249 + ... + 15828299.

It is an arithmetic number, because the mean of its divisors is an integer number (23684913000).

Almost surely, 2^491002445474 is an apocalyptic number.

491002445474 is a deficient number, since it is larger than the sum of its proper divisors (266914770526).

491002445474 is a wasteful number, since it uses less digits than its factorization.

491002445474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32378.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 491002445474 in words is "four hundred ninety-one billion, two million, four hundred forty-five thousand, four hundred seventy-four".