38303810440 has 256 divisors, whose sum is σ = 108503193600. Its totient is φ = 11869618176.

The previous prime is 38303810411. The next prime is 38303810443. The reversal of 38303810440 is 4401830383.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 38303810396 and 38303810405.

It is not an unprimeable number, because it can be changed into a prime (38303810443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13912104 + ... + 13914856.

It is an arithmetic number, because the mean of its divisors is an integer number (423840600).

Almost surely, 2^38303810440 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 38303810440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54251596800).

38303810440 is an abundant number, since it is smaller than the sum of its proper divisors (70199383160).

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

38303810440 is a wasteful number, since it uses less digits than its factorization.

38303810440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904 (or 2900 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 38303810440 in words is "thirty-eight billion, three hundred three million, eight hundred ten thousand, four hundred forty".