38578443140 has 24 divisors (see below), whose sum is σ = 81027679320. Its totient is φ = 15428910848.

The previous prime is 38578443091. The next prime is 38578443143. The reversal of 38578443140 is 4134487583.

38578443140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2426744644 + 36151698496 = 49262^2 + 190136^2 .

It is not an unprimeable number, because it can be changed into a prime (38578443143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23177 + ... + 278736.

It is an arithmetic number, because the mean of its divisors is an integer number (3376153305).

Almost surely, 2^38578443140 is an apocalyptic number.

It is an amenable number.

38578443140 is an abundant number, since it is smaller than the sum of its proper divisors (42449236180).

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

38578443140 is a wasteful number, since it uses less digits than its factorization.

38578443140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308311 (or 308309 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 38578443140 in words is "thirty-eight billion, five hundred seventy-eight million, four hundred forty-three thousand, one hundred forty".