1040791515 has 32 divisors (see below), whose sum is σ = 1740372480. Its totient is φ = 530128896.

The previous prime is 1040791513. The next prime is 1040791529. The reversal of 1040791515 is 5151970401.

It is not a de Polignac number, because 1040791515 - 2¹ = 1040791513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1040791511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263344 + ... + 267266.

It is an arithmetic number, because the mean of its divisors is an integer number (54386640).

Almost surely, 2^1040791515 is an apocalyptic number.

1040791515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1040791515 is a deficient number, since it is larger than the sum of its proper divisors (699580965).

1040791515 is a wasteful number, since it uses less digits than its factorization.

1040791515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4723.

The product of its (nonzero) digits is 6300, while the sum is 33.

The square root of 1040791515 is about 32261.3005782470. The cubic root of 1040791515 is about 1013.4163677654.

The spelling of 1040791515 in words is "one billion, forty million, seven hundred ninety-one thousand, five hundred fifteen".