40439348 has 12 divisors (see below), whose sum is σ = 70815780. Its totient is φ = 20206272.

The previous prime is 40439341. The next prime is 40439383. The reversal of 40439348 is 84393404.

It can be written as a sum of positive squares in 2 ways, for example, as 6822544 + 33616804 = 2612^2 + 5798^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40439341) by changing a digit.

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, 6968 + ... + 11376.

It is an arithmetic number, because the mean of its divisors is an integer number (5901315).

Almost surely, 2^40439348 is an apocalyptic number.

It is an amenable number.

40439348 is a deficient number, since it is larger than the sum of its proper divisors (30376432).

40439348 is a wasteful number, since it uses less digits than its factorization.

40439348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6706 (or 6704 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 40439348 is about 6359.1939740819. The cubic root of 40439348 is about 343.2427569741.

The spelling of 40439348 in words is "forty million, four hundred thirty-nine thousand, three hundred forty-eight".