38600040 has 64 divisors (see below), whose sum is σ = 117552960. Its totient is φ = 10137600.

The previous prime is 38600033. The next prime is 38600041. The reversal of 38600040 is 4000683.

It is not an unprimeable number, because it can be changed into a prime (38600041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5640 + ... + 10440.

It is an arithmetic number, because the mean of its divisors is an integer number (1836765).

Almost surely, 2^38600040 is an apocalyptic number.

38600040 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 38600040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58776480).

38600040 is an abundant number, since it is smaller than the sum of its proper divisors (78952920).

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

38600040 is a wasteful number, since it uses less digits than its factorization.

38600040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882 (or 4878 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 38600040 is about 6212.8930459167. The cubic root of 38600040 is about 337.9578860499.

The spelling of 38600040 in words is "thirty-eight million, six hundred thousand, forty".