38965953424 has 80 divisors (see below), whose sum is σ = 79324208640. Its totient is φ = 18507456000.

The previous prime is 38965953353. The next prime is 38965953461. The reversal of 38965953424 is 42435956983.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51885049 + ... + 51885799.

It is an arithmetic number, because the mean of its divisors is an integer number (991552608).

Almost surely, 2^38965953424 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 38965953424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39662104320).

38965953424 is an abundant number, since it is smaller than the sum of its proper divisors (40358255216).

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

38965953424 is a wasteful number, since it uses less digits than its factorization.

38965953424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568 (or 1562 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 58.

The spelling of 38965953424 in words is "thirty-eight billion, nine hundred sixty-five million, nine hundred fifty-three thousand, four hundred twenty-four".