40194532 has 12 divisors (see below), whose sum is σ = 80389120. Its totient is φ = 17226216.

The previous prime is 40194529. The next prime is 40194559. The reversal of 40194532 is 23549104.

40194532 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 1435519 = 40194532 / (4 + 0 + 1 + 9 + 4 + 5 + 3 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 40194532.

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, 717732 + ... + 717787.

Almost surely, 2^40194532 is an apocalyptic number.

It is an amenable number.

40194532 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.

40194532 is a wasteful number, since it uses less digits than its factorization.

40194532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435530 (or 1435528 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 40194532 is about 6339.9157723112. The cubic root of 40194532 is about 342.5487014057.

The spelling of 40194532 in words is "forty million, one hundred ninety-four thousand, five hundred thirty-two".