40942392 has 64 divisors (see below), whose sum is σ = 113114880. Its totient is φ = 12283392.

The previous prime is 40942379. The next prime is 40942393. The reversal of 40942392 is 29324904.

40942392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40942393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7203 + ... + 11565.

It is an arithmetic number, because the mean of its divisors is an integer number (1767420).

Almost surely, 2^40942392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40942392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56557440).

40942392 is an abundant number, since it is smaller than the sum of its proper divisors (72172488).

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

40942392 is a wasteful number, since it uses less digits than its factorization.

40942392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4412 (or 4408 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 40942392 is about 6398.6242271288. The cubic root of 40942392 is about 344.6601484217.

The spelling of 40942392 in words is "forty million, nine hundred forty-two thousand, three hundred ninety-two".