1040020515 has 12 divisors (see below), whose sum is σ = 1802702304. Its totient is φ = 554677584.

The previous prime is 1040020507. The next prime is 1040020529. The reversal of 1040020515 is 5150200401.

It is not a de Polignac number, because 1040020515 - 2³ = 1040020507 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11555739 + ... + 11555828.

It is an arithmetic number, because the mean of its divisors is an integer number (150225192).

Almost surely, 2^1040020515 is an apocalyptic number.

1040020515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1040020515 is a deficient number, since it is larger than the sum of its proper divisors (762681789).

1040020515 is a wasteful number, since it uses less digits than its factorization.

1040020515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23111578 (or 23111575 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1040020515 is about 32249.3490631982. The cubic root of 1040020515 is about 1013.1660656242.

Adding to 1040020515 its reverse (5150200401), we get a palindrome (6190220916).

The spelling of 1040020515 in words is "one billion, forty million, twenty thousand, five hundred fifteen".