1042956648 has 40 divisors (see below), whose sum is σ = 2921246130. Its totient is φ = 347652000.

The previous prime is 1042956601. The next prime is 1042956659. The reversal of 1042956648 is 8466592401.

1042956648 is a `hidden beast` number, since 1 + 0 + 42 + 9 + 566 + 48 = 666.

It can be written as a sum of positive squares in only one way, i.e., 851355684 + 191600964 = 29178^2 + 13842^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 804103 + ... + 805398.

Almost surely, 2^1042956648 is an apocalyptic number.

1042956648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1042956648 is an abundant number, since it is smaller than the sum of its proper divisors (1878289482).

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

1042956648 is a wasteful number, since it uses less digits than its factorization.

1042956648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609519 (or 1609506 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 1042956648 is about 32294.8393400556. The cubic root of 1042956648 is about 1014.1186094230.

The spelling of 1042956648 in words is "one billion, forty-two million, nine hundred fifty-six thousand, six hundred forty-eight".