38140425 has 36 divisors (see below), whose sum is σ = 68767920. Its totient is φ = 20206560.

The previous prime is 38140387. The next prime is 38140439. The reversal of 38140425 is 52404183.

It is not a de Polignac number, because 38140425 - 2⁸ = 38140169 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 39802 + ... + 40748.

It is an arithmetic number, because the mean of its divisors is an integer number (1910220).

Almost surely, 2^38140425 is an apocalyptic number.

It is an amenable number.

38140425 is a deficient number, since it is larger than the sum of its proper divisors (30627495).

38140425 is a wasteful number, since it uses less digits than its factorization.

38140425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142 (or 1134 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 38140425 is about 6175.7934712877. The cubic root of 38140425 is about 336.6111591438.

The spelling of 38140425 in words is "thirty-eight million, one hundred forty thousand, four hundred twenty-five".