40091594 has 8 divisors (see below), whose sum is σ = 61035168. Its totient is φ = 19746540.

The previous prime is 40091591. The next prime is 40091629. The reversal of 40091594 is 49519004.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40091594.

It is not an unprimeable number, because it can be changed into a prime (40091591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149462 + ... + 149729.

It is an arithmetic number, because the mean of its divisors is an integer number (7629396).

Almost surely, 2^40091594 is an apocalyptic number.

40091594 is a deficient number, since it is larger than the sum of its proper divisors (20943574).

40091594 is a wasteful number, since it uses less digits than its factorization.

40091594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299260.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 40091594 is about 6331.7923212942. The cubic root of 40091594 is about 342.2560295696.

The spelling of 40091594 in words is "forty million, ninety-one thousand, five hundred ninety-four".