1000880280 has 64 divisors (see below), whose sum is σ = 3336271200. Its totient is φ = 266901120.

The previous prime is 1000880261. The next prime is 1000880281. The reversal of 1000880280 is 820880001.

It is a super-2 number, since 2×1000880280² = 2003522669785756800, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000880281) 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, 462291 + ... + 464450.

Almost surely, 2^1000880280 is an apocalyptic number.

1000880280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000880280 is an abundant number, since it is smaller than the sum of its proper divisors (2335390920).

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

1000880280 is a wasteful number, since it uses less digits than its factorization.

1000880280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926761 (or 926751 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 1000880280 is about 31636.6919888916. The cubic root of 1000880280 is about 1000.2933406095.

The spelling of 1000880280 in words is "one billion, eight hundred eighty thousand, two hundred eighty".