1000740880 has 40 divisors (see below), whose sum is σ = 2333379672. Its totient is φ = 399151104.

The previous prime is 1000740827. The next prime is 1000740883. The reversal of 1000740880 is 880470001.

It can be written as a sum of positive squares in 4 ways, for example, as 240746256 + 759994624 = 15516^2 + 27568^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1000740883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10522 + ... + 45958.

Almost surely, 2^1000740880 is an apocalyptic number.

1000740880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000740880 is an abundant number, since it is smaller than the sum of its proper divisors (1332638792).

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

1000740880 is a wasteful number, since it uses less digits than its factorization.

1000740880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35803 (or 35797 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 1000740880 is about 31634.4887741212. The cubic root of 1000740880 is about 1000.2468990358.

The spelling of 1000740880 in words is "one billion, seven hundred forty thousand, eight hundred eighty".