40339436 has 12 divisors (see below), whose sum is σ = 74746728. Its totient is φ = 18983232.

The previous prime is 40339393. The next prime is 40339441. The reversal of 40339436 is 63493304.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296546 + ... + 296681.

It is an arithmetic number, because the mean of its divisors is an integer number (6228894).

Almost surely, 2^40339436 is an apocalyptic number.

It is an amenable number.

40339436 is a deficient number, since it is larger than the sum of its proper divisors (34407292).

40339436 is a wasteful number, since it uses less digits than its factorization.

40339436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593248 (or 593246 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 40339436 is about 6351.3334033099. Note that the first 3 decimals coincide. The cubic root of 40339436 is about 342.9598447950.

The spelling of 40339436 in words is "forty million, three hundred thirty-nine thousand, four hundred thirty-six".