38252040 has 96 divisors (see below), whose sum is σ = 122014080. Its totient is φ = 9591808.

The previous prime is 38252017. The next prime is 38252041. The reversal of 38252040 is 4025283.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 38252040.

It is not an unprimeable number, because it can be changed into a prime (38252041) 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 23 ways as a sum of consecutive naturals, for example, 34129 + ... + 35231.

It is an arithmetic number, because the mean of its divisors is an integer number (1270980).

Almost surely, 2^38252040 is an apocalyptic number.

38252040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38252040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61007040).

38252040 is an abundant number, since it is smaller than the sum of its proper divisors (83762040).

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

38252040 is a wasteful number, since it uses less digits than its factorization.

38252040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 38252040 is about 6184.8233604526. The cubic root of 38252040 is about 336.9391948574.

The spelling of 38252040 in words is "thirty-eight million, two hundred fifty-two thousand, forty".