1040643416 has 32 divisors (see below), whose sum is σ = 1997730000. Its totient is φ = 508035456.

The previous prime is 1040643361. The next prime is 1040643449. The reversal of 1040643416 is 6143460401.

It is a congruent number.

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, 62930 + ... + 77726.

Almost surely, 2^1040643416 is an apocalyptic number.

It is an amenable number.

1040643416 is a deficient number, since it is larger than the sum of its proper divisors (957086584).

1040643416 is a wasteful number, since it uses less digits than its factorization.

1040643416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15011 (or 15007 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1040643416 is about 32259.0051923490. The cubic root of 1040643416 is about 1013.3682975970.

The spelling of 1040643416 in words is "one billion, forty million, six hundred forty-three thousand, four hundred sixteen".