802080240 has 80 divisors (see below), whose sum is σ = 2677724448. Its totient is φ = 197434368.

The previous prime is 802080233. The next prime is 802080241. The reversal of 802080240 is 42080208.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×802080240² = 1286665422796915200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 802080240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802080241) 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, 125419 + ... + 131658.

Almost surely, 2^802080240 is an apocalyptic number.

802080240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

802080240 is an abundant number, since it is smaller than the sum of its proper divisors (1875644208).

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

802080240 is a wasteful number, since it uses less digits than its factorization.

802080240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257106 (or 257100 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 802080240 is about 28321.0211680299. The cubic root of 802080240 is about 929.1217051939.

The spelling of 802080240 in words is "eight hundred two million, eighty thousand, two hundred forty".