38618677480 has 64 divisors (see below), whose sum is σ = 89546037840. Its totient is φ = 14978506752.

The previous prime is 38618677469. The next prime is 38618677499. The reversal of 38618677480 is 8477681683.

38618677480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 26619227716 + 11999449764 = 163154^2 + 109542^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 389112 + ... + 478168.

Almost surely, 2^38618677480 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 38618677480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44773018920).

38618677480 is an abundant number, since it is smaller than the sum of its proper divisors (50927360360).

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

38618677480 is a wasteful number, since it uses less digits than its factorization.

38618677480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89398 (or 89394 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 58.

The spelling of 38618677480 in words is "thirty-eight billion, six hundred eighteen million, six hundred seventy-seven thousand, four hundred eighty".