38140544 has 32 divisors (see below), whose sum is σ = 81831540. Its totient is φ = 17602560.

The previous prime is 38140541. The next prime is 38140577. The reversal of 38140544 is 44504183.

It can be written as a sum of positive squares in 2 ways, for example, as 36481600 + 1658944 = 6040^2 + 1288^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (38140541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9797 + ... + 13124.

Almost surely, 2^38140544 is an apocalyptic number.

It is an amenable number.

38140544 is an abundant number, since it is smaller than the sum of its proper divisors (43690996).

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

38140544 is a wasteful number, since it uses less digits than its factorization.

38140544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22948 (or 22936 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 38140544 is about 6175.8031056697. The cubic root of 38140544 is about 336.6115092246.

The spelling of 38140544 in words is "thirty-eight million, one hundred forty thousand, five hundred forty-four".