1040647812 has 24 divisors (see below), whose sum is σ = 2428882176. Its totient is φ = 346782048.

The previous prime is 1040647801. The next prime is 1040647823. The reversal of 1040647812 is 2187460401.

It is an interprime number because it is at equal distance from previous prime (1040647801) and next prime (1040647823).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39018 + ... + 60030.

It is an arithmetic number, because the mean of its divisors is an integer number (101203424).

Almost surely, 2^1040647812 is an apocalyptic number.

1040647812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1040647812 is an abundant number, since it is smaller than the sum of its proper divisors (1388234364).

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

1040647812 is a wasteful number, since it uses less digits than its factorization.

1040647812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25147 (or 25145 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 1040647812 is about 32259.0733282901. The cubic root of 1040647812 is about 1013.3697245222.

The spelling of 1040647812 in words is "one billion, forty million, six hundred forty-seven thousand, eight hundred twelve".