802490687920 has 40 divisors (see below), whose sum is σ = 1865828704320. Its totient is φ = 320989762560.

The previous prime is 802490687893. The next prime is 802490687939. The reversal of 802490687920 is 29786094208.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6641001 + ... + 6760759.

It is an arithmetic number, because the mean of its divisors is an integer number (46645717608).

Almost surely, 2^802490687920 is an apocalyptic number.

802490687920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

802490687920 is an abundant number, since it is smaller than the sum of its proper divisors (1063338016400).

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

802490687920 is a wasteful number, since it uses less digits than its factorization.

802490687920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203533 (or 203527 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 802490687920 in words is "eight hundred two billion, four hundred ninety million, six hundred eighty-seven thousand, nine hundred twenty".