38384055642 has 64 divisors (see below), whose sum is σ = 82907898624. Its totient is φ = 11803438080.

The previous prime is 38384055641. The next prime is 38384055653. The reversal of 38384055642 is 24655048383.

It is a junction number, because it is equal to n+sod(n) for n = 38384055591 and 38384055600.

It is not an unprimeable number, because it can be changed into a prime (38384055641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1237548 + ... + 1268184.

It is an arithmetic number, because the mean of its divisors is an integer number (1295435916).

Almost surely, 2^38384055642 is an apocalyptic number.

38384055642 is an abundant number, since it is smaller than the sum of its proper divisors (44523842982).

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

38384055642 is a wasteful number, since it uses less digits than its factorization.

38384055642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30903.

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 38384055642 in words is "thirty-eight billion, three hundred eighty-four million, fifty-five thousand, six hundred forty-two".