40612339 has 4 divisors (see below), whose sum is σ = 41556856. Its totient is φ = 39667824.

The previous prime is 40612301. The next prime is 40612349. The reversal of 40612339 is 93321604.

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 40612339 - 2⁷ = 40612211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40612349) 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, 472194 + ... + 472279.

It is an arithmetic number, because the mean of its divisors is an integer number (10389214).

Almost surely, 2^40612339 is an apocalyptic number.

40612339 is a deficient number, since it is larger than the sum of its proper divisors (944517).

40612339 is an equidigital number, since it uses as much as digits as its factorization.

40612339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944516.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 40612339 is about 6372.7811040393. The cubic root of 40612339 is about 343.7315007565.

It can be divided in two parts, 4061 and 2339, that added together give a square (6400 = 80²).

The spelling of 40612339 in words is "forty million, six hundred twelve thousand, three hundred thirty-nine".