38247956736 has 576 divisors, whose sum is σ = 124101476352. Its totient is φ = 10407936000.

The previous prime is 38247956731. The next prime is 38247956779. The reversal of 38247956736 is 63765974283.

Its product of digits (45722880) is a multiple of the sum of its prime divisors (135).

It is a self number, because there is not a number n which added to its sum of digits gives 38247956736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38247956731) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 538703581 + ... + 538703651.

It is an arithmetic number, because the mean of its divisors is an integer number (215453952).

Almost surely, 2^38247956736 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 38247956736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62050738176).

38247956736 is an abundant number, since it is smaller than the sum of its proper divisors (85853519616).

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

38247956736 is a wasteful number, since it uses less digits than its factorization.

38247956736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 135 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 60.

The spelling of 38247956736 in words is "thirty-eight billion, two hundred forty-seven million, nine hundred fifty-six thousand, seven hundred thirty-six".