38320465488 has 160 divisors (see below), whose sum is σ = 104834813952. Its totient is φ = 12042777600.

The previous prime is 38320465487. The next prime is 38320465501. The reversal of 38320465488 is 88456402383.

It is a self number, because there is not a number n which added to its sum of digits gives 38320465488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38320465481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48691431 + ... + 48692217.

Almost surely, 2^38320465488 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 38320465488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52417406976).

38320465488 is an abundant number, since it is smaller than the sum of its proper divisors (66514348464).

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

38320465488 is a wasteful number, since it uses less digits than its factorization.

38320465488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633 (or 1627 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 51.

The spelling of 38320465488 in words is "thirty-eight billion, three hundred twenty million, four hundred sixty-five thousand, four hundred eighty-eight".