490091065536 has 112 divisors (see below), whose sum is σ = 1383787708416. Its totient is φ = 152543268864.

The previous prime is 490091065517. The next prime is 490091065537. The reversal of 490091065536 is 635560190094.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (490091065537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176616 + ... + 1005671.

Almost surely, 2^490091065536 is an apocalyptic number.

It is an amenable number.

490091065536 is an abundant number, since it is smaller than the sum of its proper divisors (893696642880).

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

490091065536 is a wasteful number, since it uses less digits than its factorization.

490091065536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182446 (or 1182436 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 48.

The spelling of 490091065536 in words is "four hundred ninety billion, ninety-one million, sixty-five thousand, five hundred thirty-six".