40596591 has 8 divisors (see below), whose sum is σ = 61861504. Its totient is φ = 23198040.

The previous prime is 40596583. The next prime is 40596623. The reversal of 40596591 is 19569504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40596591 - 2³ = 40596583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40596551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 966565 + ... + 966606.

It is an arithmetic number, because the mean of its divisors is an integer number (7732688).

Almost surely, 2^40596591 is an apocalyptic number.

40596591 is a deficient number, since it is larger than the sum of its proper divisors (21264913).

40596591 is a wasteful number, since it uses less digits than its factorization.

40596591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933181.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 40596591 is about 6371.5454169299. The cubic root of 40596591 is about 343.6870661206.

The spelling of 40596591 in words is "forty million, five hundred ninety-six thousand, five hundred ninety-one".