38448140 has 12 divisors (see below), whose sum is σ = 80741136. Its totient is φ = 15379248.

The previous prime is 38448139. The next prime is 38448167. The reversal of 38448140 is 4184483.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 38448097 and 38448106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961184 + ... + 961223.

It is an arithmetic number, because the mean of its divisors is an integer number (6728428).

Almost surely, 2^38448140 is an apocalyptic number.

It is an amenable number.

38448140 is an abundant number, since it is smaller than the sum of its proper divisors (42292996).

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

38448140 is a wasteful number, since it uses less digits than its factorization.

38448140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922416 (or 1922414 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 38448140 is about 6200.6564168643. The cubic root of 38448140 is about 337.5139893607.

The spelling of 38448140 in words is "thirty-eight million, four hundred forty-eight thousand, one hundred forty".