38391425430 has 128 divisors (see below), whose sum is σ = 100109592576. Its totient is φ = 9396710400.

The previous prime is 38391425419. The next prime is 38391425437. The reversal of 38391425430 is 3452419383.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38391425437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1714567 + ... + 1736813.

It is an arithmetic number, because the mean of its divisors is an integer number (782106192).

Almost surely, 2^38391425430 is an apocalyptic number.

38391425430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38391425430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50054796288).

38391425430 is an abundant number, since it is smaller than the sum of its proper divisors (61718167146).

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

38391425430 is a wasteful number, since it uses less digits than its factorization.

38391425430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22382.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 38391425430 in words is "thirty-eight billion, three hundred ninety-one million, four hundred twenty-five thousand, four hundred thirty".