40122315 has 24 divisors (see below), whose sum is σ = 69733248. Its totient is φ = 21340800.

The previous prime is 40122307. The next prime is 40122343. The reversal of 40122315 is 51322104.

It is not a de Polignac number, because 40122315 - 2³ = 40122307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19590 + ... + 21540.

It is an arithmetic number, because the mean of its divisors is an integer number (2905552).

Almost surely, 2^40122315 is an apocalyptic number.

40122315 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40122315 is a deficient number, since it is larger than the sum of its proper divisors (29610933).

40122315 is a wasteful number, since it uses less digits than its factorization.

40122315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419 (or 2416 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 40122315 is about 6334.2177891197. The cubic root of 40122315 is about 342.3434274665.

Adding to 40122315 its reverse (51322104), we get a palindrome (91444419).

The spelling of 40122315 in words is "forty million, one hundred twenty-two thousand, three hundred fifteen".