38841040 has 80 divisors (see below), whose sum is σ = 105671808. Its totient is φ = 12999168.

The previous prime is 38841017. The next prime is 38841053. The reversal of 38841040 is 4014883.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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, 23274 + ... + 24886.

Almost surely, 2^38841040 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 38841040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52835904).

38841040 is an abundant number, since it is smaller than the sum of its proper divisors (66830768).

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

38841040 is a wasteful number, since it uses less digits than its factorization.

38841040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676 (or 1670 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 38841040 is about 6232.2580177653. The cubic root of 38841040 is about 338.6597759016.

The spelling of 38841040 in words is "thirty-eight million, eight hundred forty-one thousand, forty".