1040415291 has 6 divisors (see below), whose sum is σ = 1502822100. Its totient is φ = 693610188.

The previous prime is 1040415203. The next prime is 1040415301. The reversal of 1040415291 is 1925140401.

It is not a de Polignac number, because 1040415291 - 2⁷ = 1040415163 is a prime.

It is a super-2 number, since 2×1040415291² = 2164927955493229362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1040417291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57800841 + ... + 57800858.

It is an arithmetic number, because the mean of its divisors is an integer number (250470350).

Almost surely, 2^1040415291 is an apocalyptic number.

1040415291 is a deficient number, since it is larger than the sum of its proper divisors (462406809).

1040415291 is a wasteful number, since it uses less digits than its factorization.

1040415291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115601705 (or 115601702 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1040415291 is about 32255.4691641588. The cubic root of 1040415291 is about 1013.2942435603.

Adding to 1040415291 its reverse (1925140401), we get a palindrome (2965555692).

The spelling of 1040415291 in words is "one billion, forty million, four hundred fifteen thousand, two hundred ninety-one".