1040442515 has 16 divisors (see below), whose sum is σ = 1428435648. Its totient is φ = 712674816.

The previous prime is 1040442509. The next prime is 1040442539. The reversal of 1040442515 is 5152440401.

1040442515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1040442515 - 2²⁶ = 973333651 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17759 + ... + 48951.

It is an arithmetic number, because the mean of its divisors is an integer number (89277228).

Almost surely, 2^1040442515 is an apocalyptic number.

1040442515 is a deficient number, since it is larger than the sum of its proper divisors (387993133).

1040442515 is an equidigital number, since it uses as much as digits as its factorization.

1040442515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32158.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1040442515 is about 32255.8911673511. The cubic root of 1040442515 is about 1013.3030815958.

Adding to 1040442515 its reverse (5152440401), we get a palindrome (6192882916).

The spelling of 1040442515 in words is "one billion, forty million, four hundred forty-two thousand, five hundred fifteen".