3959422544 has 80 divisors (see below), whose sum is σ = 9575387136. Its totient is φ = 1540848000.

The previous prime is 3959422531. The next prime is 3959422601. The reversal of 3959422544 is 4452249593.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1682969 + ... + 1685319.

Almost surely, 2^3959422544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3959422544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4787693568).

3959422544 is an abundant number, since it is smaller than the sum of its proper divisors (5615964592).

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

3959422544 is a wasteful number, since it uses less digits than its factorization.

3959422544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744 (or 3738 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 47.

The square root of 3959422544 is about 62923.9425338241. The cubic root of 3959422544 is about 1582.0150735654.

The spelling of 3959422544 in words is "three billion, nine hundred fifty-nine million, four hundred twenty-two thousand, five hundred forty-four".