40113315 has 72 divisors (see below), whose sum is σ = 78427440. Its totient is φ = 18944640.

The previous prime is 40113299. The next prime is 40113317. The reversal of 40113315 is 51331104.

It is not a de Polignac number, because 40113315 - 2⁴ = 40113299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40113317) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 288516 + ... + 288654.

It is an arithmetic number, because the mean of its divisors is an integer number (1089270).

Almost surely, 2^40113315 is an apocalyptic number.

40113315 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40113315 is a deficient number, since it is larger than the sum of its proper divisors (38314125).

40113315 is a wasteful number, since it uses less digits than its factorization.

40113315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 40113315 is about 6333.5073221715. The cubic root of 40113315 is about 342.3178280691.

Adding to 40113315 its reverse (51331104), we get a palindrome (91444419).

The spelling of 40113315 in words is "forty million, one hundred thirteen thousand, three hundred fifteen".