38150840 has 128 divisors (see below), whose sum is σ = 108380160. Its totient is φ = 11764224.

The previous prime is 38150837. The next prime is 38150857. The reversal of 38150840 is 4805183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170969 + ... + 171191.

It is an arithmetic number, because the mean of its divisors is an integer number (846720).

Almost surely, 2^38150840 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 38150840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54190080).

38150840 is an abundant number, since it is smaller than the sum of its proper divisors (70229320).

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

38150840 is a wasteful number, since it uses less digits than its factorization.

38150840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 38150840 is about 6176.6366252193. The cubic root of 38150840 is about 336.6417958079.

The spelling of 38150840 in words is "thirty-eight million, one hundred fifty thousand, eight hundred forty".