38402602368 has 128 divisors (see below), whose sum is σ = 112408961280. Its totient is φ = 11541325824.

The previous prime is 38402602361. The next prime is 38402602417. The reversal of 38402602368 is 86320620483.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38402602361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125205 + ... + 304107.

It is an arithmetic number, because the mean of its divisors is an integer number (878195010).

Almost surely, 2^38402602368 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 38402602368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56204480640).

38402602368 is an abundant number, since it is smaller than the sum of its proper divisors (74006358912).

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

38402602368 is a wasteful number, since it uses less digits than its factorization.

38402602368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178976 (or 178964 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 38402602368 in words is "thirty-eight billion, four hundred two million, six hundred two thousand, three hundred sixty-eight".