38442237148 has 18 divisors (see below), whose sum is σ = 78257411736. Its totient is φ = 16475244408.

The previous prime is 38442237143. The next prime is 38442237167. The reversal of 38442237148 is 84173224483.

It is a junction number, because it is equal to n+sod(n) for n = 38442237098 and 38442237107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38442237143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 98066736 + ... + 98067127.

Almost surely, 2^38442237148 is an apocalyptic number.

It is an amenable number.

38442237148 is an abundant number, since it is smaller than the sum of its proper divisors (39815174588).

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

38442237148 is a wasteful number, since it uses less digits than its factorization.

38442237148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196133881 (or 196133872 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 46.

The spelling of 38442237148 in words is "thirty-eight billion, four hundred forty-two million, two hundred thirty-seven thousand, one hundred forty-eight".