1043116640 has 48 divisors (see below), whose sum is σ = 2467574928. Its totient is φ = 416702976.

The previous prime is 1043116639. The next prime is 1043116643. The reversal of 1043116640 is 466113401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043116643) 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, 132659 + ... + 140301.

It is an arithmetic number, because the mean of its divisors is an integer number (51407811).

Almost surely, 2^1043116640 is an apocalyptic number.

1043116640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043116640 is an abundant number, since it is smaller than the sum of its proper divisors (1424458288).

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

1043116640 is an equidigital number, since it uses as much as digits as its factorization.

1043116640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8511 (or 8503 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1043116640 is about 32297.3162971786. The cubic root of 1043116640 is about 1014.1704628307.

The spelling of 1043116640 in words is "one billion, forty-three million, one hundred sixteen thousand, six hundred forty".