40194380 has 12 divisors (see below), whose sum is σ = 84408240. Its totient is φ = 16077744.

The previous prime is 40194361. The next prime is 40194431. The reversal of 40194380 is 8349104.

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, 1004840 + ... + 1004879.

It is an arithmetic number, because the mean of its divisors is an integer number (7034020).

Almost surely, 2^40194380 is an apocalyptic number.

It is an amenable number.

40194380 is an abundant number, since it is smaller than the sum of its proper divisors (44213860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40194380 is a wasteful number, since it uses less digits than its factorization.

40194380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009728 (or 2009726 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 40194380 is about 6339.9037847589. The cubic root of 40194380 is about 342.5482696101.

The spelling of 40194380 in words is "forty million, one hundred ninety-four thousand, three hundred eighty".