40192308 has 48 divisors (see below), whose sum is σ = 112221760. Its totient is φ = 12366432.

The previous prime is 40192307. The next prime is 40192331. The reversal of 40192308 is 80329104.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40192307) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12910 + ... + 15717.

Almost surely, 2^40192308 is an apocalyptic number.

It is an amenable number.

40192308 is an abundant number, since it is smaller than the sum of its proper divisors (72029452).

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

40192308 is a wasteful number, since it uses less digits than its factorization.

40192308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28653 (or 28645 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 40192308 is about 6339.7403732330. The cubic root of 40192308 is about 342.5423834455.

The spelling of 40192308 in words is "forty million, one hundred ninety-two thousand, three hundred eight".