1040859618 has 16 divisors (see below), whose sum is σ = 2172229056. Its totient is φ = 331868240.

The previous prime is 1040859613. The next prime is 1040859637. The reversal of 1040859618 is 8169580401.

It is a self number, because there is not a number n which added to its sum of digits gives 1040859618.

It is not an unprimeable number, because it can be changed into a prime (1040859613) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3771093 + ... + 3771368.

It is an arithmetic number, because the mean of its divisors is an integer number (135764316).

Almost surely, 2^1040859618 is an apocalyptic number.

1040859618 is an abundant number, since it is smaller than the sum of its proper divisors (1131369438).

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

1040859618 is a wasteful number, since it uses less digits than its factorization.

1040859618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7542489.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 1040859618 is about 32262.3560515967. The cubic root of 1040859618 is about 1013.4384711962.

The spelling of 1040859618 in words is "one billion, forty million, eight hundred fifty-nine thousand, six hundred eighteen".