40094493 has 8 divisors (see below), whose sum is σ = 53488800. Its totient is φ = 26714928.

The previous prime is 40094479. The next prime is 40094521. The reversal of 40094493 is 39449004.

It is a happy number.

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

It is not a de Polignac number, because 40094493 - 2¹² = 40090397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40094423) 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, 7618 + ... + 11756.

It is an arithmetic number, because the mean of its divisors is an integer number (6686100).

Almost surely, 2^40094493 is an apocalyptic number.

It is an amenable number.

40094493 is a deficient number, since it is larger than the sum of its proper divisors (13394307).

40094493 is a wasteful number, since it uses less digits than its factorization.

40094493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7371.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 40094493 is about 6332.0212412783. The cubic root of 40094493 is about 342.2642788161.

The spelling of 40094493 in words is "forty million, ninety-four thousand, four hundred ninety-three".