802391120 has 30 divisors (see below), whose sum is σ = 1866148602. Its totient is φ = 320855104.

The previous prime is 802391119. The next prime is 802391203. The reversal of 802391120 is 21193208.

It can be written as a sum of positive squares in only one way, i.e., 641912896 + 160478224 = 25336^2 + 12668^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 802391120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 251777 + ... + 254943.

Almost surely, 2^802391120 is an apocalyptic number.

802391120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

802391120 is an abundant number, since it is smaller than the sum of its proper divisors (1063757482).

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

802391120 is an frugal number, since it uses more digits than its factorization.

802391120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6347 (or 3174 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 802391120 is about 28326.5091389673. The cubic root of 802391120 is about 929.2417297797.

The spelling of 802391120 in words is "eight hundred two million, three hundred ninety-one thousand, one hundred twenty".