40233679 has 4 divisors (see below), whose sum is σ = 42600384. Its totient is φ = 37866976.

The previous prime is 40233671. The next prime is 40233719. The reversal of 40233679 is 97633204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40233679 - 2³ = 40233671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40233671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1183327 + ... + 1183360.

It is an arithmetic number, because the mean of its divisors is an integer number (10650096).

Almost surely, 2^40233679 is an apocalyptic number.

40233679 is a deficient number, since it is larger than the sum of its proper divisors (2366705).

40233679 is a wasteful number, since it uses less digits than its factorization.

40233679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366704.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 40233679 is about 6343.0023648112. The cubic root of 40233679 is about 342.6598724388.

The spelling of 40233679 in words is "forty million, two hundred thirty-three thousand, six hundred seventy-nine".