1040957709 has 16 divisors (see below), whose sum is σ = 1539786240. Its totient is φ = 620189360.

The previous prime is 1040957677. The next prime is 1040957737. The reversal of 1040957709 is 9077590401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1040957709 - 2⁵ = 1040957677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040957809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265377 + ... + 269270.

It is an arithmetic number, because the mean of its divisors is an integer number (96236640).

Almost surely, 2^1040957709 is an apocalyptic number.

It is an amenable number.

1040957709 is a deficient number, since it is larger than the sum of its proper divisors (498828531).

1040957709 is a wasteful number, since it uses less digits than its factorization.

1040957709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534720.

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 1040957709 is about 32263.8762240373. The cubic root of 1040957709 is about 1013.4703058031.

The spelling of 1040957709 in words is "one billion, forty million, nine hundred fifty-seven thousand, seven hundred nine".