38387470842 has 96 divisors (see below), whose sum is σ = 96564454272. Its totient is φ = 10793958912.

The previous prime is 38387470837. The next prime is 38387470843. The reversal of 38387470842 is 24807478383.

It is not an unprimeable number, because it can be changed into a prime (38387470843) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16148358 + ... + 16150734.

It is an arithmetic number, because the mean of its divisors is an integer number (1005879732).

Almost surely, 2^38387470842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38387470842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48282227136).

38387470842 is an abundant number, since it is smaller than the sum of its proper divisors (58176983430).

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

38387470842 is a wasteful number, since it uses less digits than its factorization.

38387470842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372 (or 4369 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The spelling of 38387470842 in words is "thirty-eight billion, three hundred eighty-seven million, four hundred seventy thousand, eight hundred forty-two".