40194605 has 8 divisors (see below), whose sum is σ = 52618464. Its totient is φ = 29232400.

The previous prime is 40194601. The next prime is 40194607. The reversal of 40194605 is 50649104.

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

It is not a de Polignac number, because 40194605 - 2² = 40194601 is a prime.

It is a super-2 number, since 2×40194605² = 3231212542212050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40194601) 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, 365351 + ... + 365460.

It is an arithmetic number, because the mean of its divisors is an integer number (6577308).

Almost surely, 2^40194605 is an apocalyptic number.

It is an amenable number.

40194605 is a deficient number, since it is larger than the sum of its proper divisors (12423859).

40194605 is a wasteful number, since it uses less digits than its factorization.

40194605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730827.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 40194605 is about 6339.9215294828. The cubic root of 40194605 is about 342.5489087809.

The spelling of 40194605 in words is "forty million, one hundred ninety-four thousand, six hundred five".