1004280768 has 70 divisors (see below), whose sum is σ = 2977018176. Its totient is φ = 334758528.

The previous prime is 1004280757. The next prime is 1004280787. The reversal of 1004280768 is 8670824001.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 91680 + ... + 102047.

Almost surely, 2^1004280768 is an apocalyptic number.

1004280768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1004280768 is an abundant number, since it is smaller than the sum of its proper divisors (1972737408).

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

1004280768 is an equidigital number, since it uses as much as digits as its factorization.

1004280768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193751 (or 193732 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1004280768 is about 31690.3892055620. The cubic root of 1004280768 is about 1001.4248913869.

The spelling of 1004280768 in words is "one billion, four million, two hundred eighty thousand, seven hundred sixty-eight".