40591413 has 24 divisors (see below), whose sum is σ = 60237216. Its totient is φ = 26330400.

The previous prime is 40591381. The next prime is 40591417. The reversal of 40591413 is 31419504.

It is not a de Polignac number, because 40591413 - 2⁵ = 40591381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40591417) 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, 58398 + ... + 59088.

It is an arithmetic number, because the mean of its divisors is an integer number (2509884).

Almost surely, 2^40591413 is an apocalyptic number.

It is an amenable number.

40591413 is a deficient number, since it is larger than the sum of its proper divisors (19645803).

40591413 is a wasteful number, since it uses less digits than its factorization.

40591413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 40591413 is about 6371.1390661325. The cubic root of 40591413 is about 343.6724533395.

The spelling of 40591413 in words is "forty million, five hundred ninety-one thousand, four hundred thirteen".