802403280 has 160 divisors (see below), whose sum is σ = 3158726400. Its totient is φ = 183403008.

The previous prime is 802403221. The next prime is 802403309. The reversal of 802403280 is 82304208.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11415 + ... + 41654.

It is an arithmetic number, because the mean of its divisors is an integer number (19742040).

Almost surely, 2^802403280 is an apocalyptic number.

802403280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 802403280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1579363200).

802403280 is an abundant number, since it is smaller than the sum of its proper divisors (2356323120).

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

802403280 is a wasteful number, since it uses less digits than its factorization.

802403280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53098 (or 53086 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 802403280 is about 28326.7237780863. The cubic root of 802403280 is about 929.2464238838.

Adding to 802403280 its reverse (82304208), we get a palindrome (884707488).

The spelling of 802403280 in words is "eight hundred two million, four hundred three thousand, two hundred eighty".