38511036378 has 48 divisors (see below), whose sum is σ = 87221983680. Its totient is φ = 12257226432.

The previous prime is 38511036313. The next prime is 38511036379. The reversal of 38511036378 is 87363011583.

38511036378 is a `hidden beast` number, since 3 + 8 + 5 + 1 + 1 + 0 + 3 + 637 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (38511036379) 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, 153825 + ... + 317307.

It is an arithmetic number, because the mean of its divisors is an integer number (1817124660).

Almost surely, 2^38511036378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38511036378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43610991840).

38511036378 is an abundant number, since it is smaller than the sum of its proper divisors (48710947302).

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

38511036378 is a wasteful number, since it uses less digits than its factorization.

38511036378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164083 (or 164080 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 38511036378 in words is "thirty-eight billion, five hundred eleven million, thirty-six thousand, three hundred seventy-eight".