39316401408 has 72 divisors (see below), whose sum is σ = 104778023616. Its totient is φ = 13088051200.

The previous prime is 39316401361. The next prime is 39316401409. The reversal of 39316401408 is 80410461393.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39316401409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550813 + ... + 618083.

It is an arithmetic number, because the mean of its divisors is an integer number (1455250328).

Almost surely, 2^39316401408 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 39316401408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52389011808).

39316401408 is an abundant number, since it is smaller than the sum of its proper divisors (65461622208).

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

39316401408 is an equidigital number, since it uses as much as digits as its factorization.

39316401408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68051 (or 68037 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 39316401408 in words is "thirty-nine billion, three hundred sixteen million, four hundred one thousand, four hundred eight".