39952580439 has 16 divisors (see below), whose sum is σ = 53650902528. Its totient is φ = 26445297792.

The previous prime is 39952580419. The next prime is 39952580443. The reversal of 39952580439 is 93408525993.

It is not a de Polignac number, because 39952580439 - 2⁸ = 39952580183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39952580419) 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, 169999 + ... + 329855.

It is an arithmetic number, because the mean of its divisors is an integer number (3353181408).

Almost surely, 2^39952580439 is an apocalyptic number.

39952580439 is a deficient number, since it is larger than the sum of its proper divisors (13698322089).

39952580439 is a wasteful number, since it uses less digits than its factorization.

39952580439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160454.

The product of its (nonzero) digits is 10497600, while the sum is 57.

The spelling of 39952580439 in words is "thirty-nine billion, nine hundred fifty-two million, five hundred eighty thousand, four hundred thirty-nine".