38245178220 has 96 divisors (see below), whose sum is σ = 108669496320. Its totient is φ = 10048496640.

The previous prime is 38245178149. The next prime is 38245178227. The reversal of 38245178220 is 2287154283.

It is not an unprimeable number, because it can be changed into a prime (38245178227) 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, 2319124 + ... + 2335556.

It is an arithmetic number, because the mean of its divisors is an integer number (1131973920).

Almost surely, 2^38245178220 is an apocalyptic number.

38245178220 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 38245178220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54334748160).

38245178220 is an abundant number, since it is smaller than the sum of its proper divisors (70424318100).

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

38245178220 is a wasteful number, since it uses less digits than its factorization.

38245178220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17015 (or 17013 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 38245178220 in words is "thirty-eight billion, two hundred forty-five million, one hundred seventy-eight thousand, two hundred twenty".