39401420408 has 16 divisors (see below), whose sum is σ = 84431615280. Its totient is φ = 16886323008.

The previous prime is 39401420321. The next prime is 39401420419. The reversal of 39401420408 is 80402410493.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351798341 + ... + 351798452.

It is an arithmetic number, because the mean of its divisors is an integer number (5276975955).

Almost surely, 2^39401420408 is an apocalyptic number.

It is an amenable number.

39401420408 is an abundant number, since it is smaller than the sum of its proper divisors (45030194872).

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

39401420408 is a wasteful number, since it uses less digits than its factorization.

39401420408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703596806 (or 703596802 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 39401420408 in words is "thirty-nine billion, four hundred one million, four hundred twenty thousand, four hundred eight".