40391094 has 8 divisors (see below), whose sum is σ = 80782200. Its totient is φ = 13463696.

The previous prime is 40391083. The next prime is 40391101. The reversal of 40391094 is 49019304.

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

40391094 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3365919 + ... + 3365930.

It is an arithmetic number, because the mean of its divisors is an integer number (10097775).

Almost surely, 2^40391094 is an apocalyptic number.

40391094 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40391094 is a wasteful number, since it uses less digits than its factorization.

40391094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6731854.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 40391094 is about 6355.3988073134. The cubic root of 40391094 is about 343.1061785423.

The spelling of 40391094 in words is "forty million, three hundred ninety-one thousand, ninety-four".