40797615 has 16 divisors (see below), whose sum is σ = 66384000. Its totient is φ = 21389472.

The previous prime is 40797553. The next prime is 40797619. The reversal of 40797615 is 51679704.

It is not a de Polignac number, because 40797615 - 2²¹ = 38700463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40797619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22165 + ... + 23934.

It is an arithmetic number, because the mean of its divisors is an integer number (4149000).

Almost surely, 2^40797615 is an apocalyptic number.

40797615 is a deficient number, since it is larger than the sum of its proper divisors (25586385).

40797615 is a wasteful number, since it uses less digits than its factorization.

40797615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46166.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 40797615 is about 6387.3010732233. The cubic root of 40797615 is about 344.2534160048.

The spelling of 40797615 in words is "forty million, seven hundred ninety-seven thousand, six hundred fifteen".