40194402 has 8 divisors (see below), whose sum is σ = 80388816. Its totient is φ = 13398132.

The previous prime is 40194361. The next prime is 40194431. The reversal of 40194402 is 20449104.

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

40194402 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3349528 + ... + 3349539.

It is an arithmetic number, because the mean of its divisors is an integer number (10048602).

Almost surely, 2^40194402 is an apocalyptic number.

40194402 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.

40194402 is a wasteful number, since it uses less digits than its factorization.

40194402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6699072.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 40194402 is about 6339.9055198007. The cubic root of 40194402 is about 342.5483321069.

The spelling of 40194402 in words is "forty million, one hundred ninety-four thousand, four hundred two".