40842292 has 12 divisors (see below), whose sum is σ = 71642116. Its totient is φ = 20373120.

The previous prime is 40842271. The next prime is 40842299. The reversal of 40842292 is 29224804.

40842292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7595536 + 33246756 = 2756^2 + 5766^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40842299) 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 3 ways as a sum of consecutive naturals, for example, 10059 + ... + 13522.

Almost surely, 2^40842292 is an apocalyptic number.

It is an amenable number.

40842292 is a deficient number, since it is larger than the sum of its proper divisors (30799824).

40842292 is a wasteful number, since it uses less digits than its factorization.

40842292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24018 (or 24016 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 40842292 is about 6390.7974463286. The cubic root of 40842292 is about 344.3790328172.

The spelling of 40842292 in words is "forty million, eight hundred forty-two thousand, two hundred ninety-two".