40194412 has 12 divisors (see below), whose sum is σ = 70657216. Its totient is φ = 20006640.

The previous prime is 40194361. The next prime is 40194431. The reversal of 40194412 is 21449104.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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, 21639 + ... + 23422.

Almost surely, 2^40194412 is an apocalyptic number.

It is an amenable number.

40194412 is a deficient number, since it is larger than the sum of its proper divisors (30462804).

40194412 is a wasteful number, since it uses less digits than its factorization.

40194412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45288 (or 45286 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 40194412 is about 6339.9063084560. The cubic root of 40194412 is about 342.5483605146.

It can be divided in two parts, 401944 and 12, that added together give a square (401956 = 634²).

The spelling of 40194412 in words is "forty million, one hundred ninety-four thousand, four hundred twelve".