40439496 has 16 divisors (see below), whose sum is σ = 101098800. Its totient is φ = 13479824.

The previous prime is 40439471. The next prime is 40439513. The reversal of 40439496 is 69493404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842466 + ... + 842513.

It is an arithmetic number, because the mean of its divisors is an integer number (6318675).

Almost surely, 2^40439496 is an apocalyptic number.

It is an amenable number.

40439496 is an abundant number, since it is smaller than the sum of its proper divisors (60659304).

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

40439496 is a wasteful number, since it uses less digits than its factorization.

40439496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684988 (or 1684984 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 40439496 is about 6359.2056107662. The cubic root of 40439496 is about 343.2431757071.

The spelling of 40439496 in words is "forty million, four hundred thirty-nine thousand, four hundred ninety-six".