38613699240 has 128 divisors (see below), whose sum is σ = 121998441600. Its totient is φ = 9750205440.

The previous prime is 38613699233. The next prime is 38613699251. The reversal of 38613699240 is 4299631683.

38613699240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7687930 + ... + 7692950.

It is an arithmetic number, because the mean of its divisors is an integer number (953112825).

Almost surely, 2^38613699240 is an apocalyptic number.

38613699240 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 38613699240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60999220800).

38613699240 is an abundant number, since it is smaller than the sum of its proper divisors (83384742360).

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

38613699240 is a wasteful number, since it uses less digits than its factorization.

38613699240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8427 (or 8423 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 38613699240 in words is "thirty-eight billion, six hundred thirteen million, six hundred ninety-nine thousand, two hundred forty".