38291519712 has 144 divisors (see below), whose sum is σ = 108794517552. Its totient is φ = 11785912320.

The previous prime is 38291519689. The next prime is 38291519719. The reversal of 38291519712 is 21791519283.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38291519719) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1457412 + ... + 1483452.

It is an arithmetic number, because the mean of its divisors is an integer number (755517483).

Almost surely, 2^38291519712 is an apocalyptic number.

38291519712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38291519712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54397258776).

38291519712 is an abundant number, since it is smaller than the sum of its proper divisors (70502997840).

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

38291519712 is a wasteful number, since it uses less digits than its factorization.

38291519712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26141 (or 26116 counting only the distinct ones).

The product of its digits is 272160, while the sum is 48.

The spelling of 38291519712 in words is "thirty-eight billion, two hundred ninety-one million, five hundred nineteen thousand, seven hundred twelve".