38219275640 has 128 divisors (see below), whose sum is σ = 106465968000. Its totient is φ = 12095576064.

The previous prime is 38219275603. The next prime is 38219275657. The reversal of 38219275640 is 4657291283.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 584096 + ... + 646224.

It is an arithmetic number, because the mean of its divisors is an integer number (831765375).

It is a 1-persistent number, because it is pandigital, but 2⋅38219275640 = 76438551280 is not.

Almost surely, 2^38219275640 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 38219275640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53232984000).

38219275640 is an abundant number, since it is smaller than the sum of its proper divisors (68246692360).

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

38219275640 is a wasteful number, since it uses less digits than its factorization.

38219275640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62186 (or 62156 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 38219275640 in words is "thirty-eight billion, two hundred nineteen million, two hundred seventy-five thousand, six hundred forty".