38256140 has 24 divisors (see below), whose sum is σ = 86518320. Its totient is φ = 14125248.

The previous prime is 38256091. The next prime is 38256143. The reversal of 38256140 is 4165283.

38256140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (38256143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73310 + ... + 73829.

It is an arithmetic number, because the mean of its divisors is an integer number (3604930).

Almost surely, 2^38256140 is an apocalyptic number.

It is an amenable number.

38256140 is an abundant number, since it is smaller than the sum of its proper divisors (48262180).

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

38256140 is a wasteful number, since it uses less digits than its factorization.

38256140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147161 (or 147159 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 38256140 is about 6185.1548080869. The cubic root of 38256140 is about 336.9512325714.

The spelling of 38256140 in words is "thirty-eight million, two hundred fifty-six thousand, one hundred forty".