38457140 has 24 divisors (see below), whose sum is σ = 85011360. Its totient is φ = 14573088.

The previous prime is 38457131. The next prime is 38457151. The reversal of 38457140 is 4175483.

38457140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38457097 and 38457106.

It is a congruent number.

It is an unprimeable number.

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, 50222 + ... + 50981.

It is an arithmetic number, because the mean of its divisors is an integer number (3542140).

Almost surely, 2^38457140 is an apocalyptic number.

It is an amenable number.

38457140 is an abundant number, since it is smaller than the sum of its proper divisors (46554220).

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

38457140 is a wasteful number, since it uses less digits than its factorization.

38457140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101231 (or 101229 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 38457140 is about 6201.3821040152. The cubic root of 38457140 is about 337.5403225714.

The spelling of 38457140 in words is "thirty-eight million, four hundred fifty-seven thousand, one hundred forty".