1043980641 has 24 divisors (see below), whose sum is σ = 1689527424. Its totient is φ = 615612960.

The previous prime is 1043980621. The next prime is 1043980673. The reversal of 1043980641 is 1460893401.

1043980641 is a `hidden beast` number, since 1 + 0 + 4 + 3 + 9 + 8 + 0 + 641 = 666.

It is not a de Polignac number, because 1043980641 - 2⁶ = 1043980577 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1043980596 and 1043980605.

It is not an unprimeable number, because it can be changed into a prime (1043980601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138841 + ... + 146166.

It is an arithmetic number, because the mean of its divisors is an integer number (70396976).

Almost surely, 2^1043980641 is an apocalyptic number.

1043980641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1043980641 is a deficient number, since it is larger than the sum of its proper divisors (645546783).

1043980641 is a wasteful number, since it uses less digits than its factorization.

1043980641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285061 (or 285058 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1043980641 is about 32310.6892684139. The cubic root of 1043980641 is about 1014.4503939666.

The spelling of 1043980641 in words is "one billion, forty-three million, nine hundred eighty thousand, six hundred forty-one".