38903922378 has 288 divisors, whose sum is σ = 99692716032. Its totient is φ = 11335658400.

The previous prime is 38903922377. The next prime is 38903922389. The reversal of 38903922378 is 87322930983.

38903922378 is a `hidden beast` number, since 389 + 0 + 39 + 223 + 7 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (38903922377) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 125092843 + ... + 125093153.

It is an arithmetic number, because the mean of its divisors is an integer number (346155264).

Almost surely, 2^38903922378 is an apocalyptic number.

38903922378 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38903922378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49846358016).

38903922378 is an abundant number, since it is smaller than the sum of its proper divisors (60788793654).

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

38903922378 is a wasteful number, since it uses less digits than its factorization.

38903922378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 38903922378 in words is "thirty-eight billion, nine hundred three million, nine hundred twenty-two thousand, three hundred seventy-eight".