40233138 has 16 divisors (see below), whose sum is σ = 87781536. Its totient is φ = 12191840.

The previous prime is 40233119. The next prime is 40233157. The reversal of 40233138 is 83133204.

40233138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40233119) and next prime (40233157).

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 304731 + ... + 304862.

It is an arithmetic number, because the mean of its divisors is an integer number (5486346).

Almost surely, 2^40233138 is an apocalyptic number.

40233138 is an abundant number, since it is smaller than the sum of its proper divisors (47548398).

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

40233138 is a wasteful number, since it uses less digits than its factorization.

40233138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609609.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40233138 is about 6342.9597192478. The cubic root of 40233138 is about 342.6583365795.

The spelling of 40233138 in words is "forty million, two hundred thirty-three thousand, one hundred thirty-eight".