38825540 has 48 divisors (see below), whose sum is σ = 89328960. Its totient is φ = 14087040.

The previous prime is 38825539. The next prime is 38825593. The reversal of 38825540 is 4552883.

It is a self number, because there is not a number n which added to its sum of digits gives 38825540.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14075 + ... + 16605.

It is an arithmetic number, because the mean of its divisors is an integer number (1861020).

Almost surely, 2^38825540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38825540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44664480).

38825540 is an abundant number, since it is smaller than the sum of its proper divisors (50503420).

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

38825540 is a wasteful number, since it uses less digits than its factorization.

38825540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612 (or 2610 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 38825540 is about 6231.0143636490. The cubic root of 38825540 is about 338.6147211095.

The spelling of 38825540 in words is "thirty-eight million, eight hundred twenty-five thousand, five hundred forty".