1040986944 has 112 divisors (see below), whose sum is σ = 3159191040. Its totient is φ = 335784960.

The previous prime is 1040986927. The next prime is 1040986967. The reversal of 1040986944 is 4496890401.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1040986944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43852 + ... + 63284.

Almost surely, 2^1040986944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1040986944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1579595520).

1040986944 is an abundant number, since it is smaller than the sum of its proper divisors (2118204096).

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

1040986944 is a wasteful number, since it uses less digits than its factorization.

1040986944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19485 (or 19469 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 1040986944 is about 32264.3292817316. The cubic root of 1040986944 is about 1013.4797933890.

The spelling of 1040986944 in words is "one billion, forty million, nine hundred eighty-six thousand, nine hundred forty-four".