1040556359 has 8 divisors (see below), whose sum is σ = 1063508160. Its totient is φ = 1017638496.

The previous prime is 1040556353. The next prime is 1040556371. The reversal of 1040556359 is 9536550401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1040556359 - 2²⁰ = 1039507783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040556353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59417 + ... + 74909.

It is an arithmetic number, because the mean of its divisors is an integer number (132938520).

Almost surely, 2^1040556359 is an apocalyptic number.

1040556359 is a deficient number, since it is larger than the sum of its proper divisors (22951801).

1040556359 is a wasteful number, since it uses less digits than its factorization.

1040556359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16969.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 1040556359 is about 32257.6558199755. The cubic root of 1040556359 is about 1013.3400383929.

The spelling of 1040556359 in words is "one billion, forty million, five hundred fifty-six thousand, three hundred fifty-nine".