1042881648 has 20 divisors (see below), whose sum is σ = 2694111048. Its totient is φ = 347627200.

The previous prime is 1042881613. The next prime is 1042881659. The reversal of 1042881648 is 8461882401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10863303 + ... + 10863398.

Almost surely, 2^1042881648 is an apocalyptic number.

It is an amenable number.

1042881648 is an abundant number, since it is smaller than the sum of its proper divisors (1651229400).

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

1042881648 is a wasteful number, since it uses less digits than its factorization.

1042881648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21726712 (or 21726706 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 1042881648 is about 32293.6781429431. The cubic root of 1042881648 is about 1014.0943000972.

The spelling of 1042881648 in words is "one billion, forty-two million, eight hundred eighty-one thousand, six hundred forty-eight".