38443148140 has 24 divisors (see below), whose sum is σ = 80738223552. Its totient is φ = 15375809280.

The previous prime is 38443148089. The next prime is 38443148209. The reversal of 38443148140 is 4184134483.

It is a junction number, because it is equal to n+sod(n) for n = 38443148093 and 38443148102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141252 + ... + 311188.

It is an arithmetic number, because the mean of its divisors is an integer number (3364092648).

Almost surely, 2^38443148140 is an apocalyptic number.

It is an amenable number.

38443148140 is an abundant number, since it is smaller than the sum of its proper divisors (42295075412).

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

38443148140 is a wasteful number, since it uses less digits than its factorization.

38443148140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181257 (or 181255 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 38443148140 in words is "thirty-eight billion, four hundred forty-three million, one hundred forty-eight thousand, one hundred forty".