40415265 has 24 divisors (see below), whose sum is σ = 76422528. Its totient is φ = 19595040.

The previous prime is 40415237. The next prime is 40415269. The reversal of 40415265 is 56251404.

It is not a de Polignac number, because 40415265 - 2⁶ = 40415201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40415269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40329 + ... + 41318.

It is an arithmetic number, because the mean of its divisors is an integer number (3184272).

Almost surely, 2^40415265 is an apocalyptic number.

40415265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40415265 is a deficient number, since it is larger than the sum of its proper divisors (36007263).

40415265 is a wasteful number, since it uses less digits than its factorization.

40415265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81669 (or 81666 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 40415265 is about 6357.3001344911. The cubic root of 40415265 is about 343.1746058851.

Adding to 40415265 its reverse (56251404), we get a palindrome (96666669).

The spelling of 40415265 in words is "forty million, four hundred fifteen thousand, two hundred sixty-five".