40323879 has 16 divisors (see below), whose sum is σ = 59996640. Its totient is φ = 26766720.

The previous prime is 40323863. The next prime is 40323887. The reversal of 40323879 is 97832304.

It is not a de Polignac number, because 40323879 - 2⁴ = 40323863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40323859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3409 + ... + 9605.

It is an arithmetic number, because the mean of its divisors is an integer number (3749790).

Almost surely, 2^40323879 is an apocalyptic number.

40323879 is a deficient number, since it is larger than the sum of its proper divisors (19672761).

40323879 is a wasteful number, since it uses less digits than its factorization.

40323879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6447 (or 6441 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 40323879 is about 6350.1085817488. The cubic root of 40323879 is about 342.9157513647.

The spelling of 40323879 in words is "forty million, three hundred twenty-three thousand, eight hundred seventy-nine".