14388642380 has 96 divisors (see below), whose sum is σ = 34790031360. Its totient is φ = 4896645120.

The previous prime is 14388642361. The next prime is 14388642439. The reversal of 14388642380 is 8324688341.

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, 20011661 + ... + 20012379.

It is an arithmetic number, because the mean of its divisors is an integer number (362396160).

Almost surely, 2^14388642380 is an apocalyptic number.

14388642380 is a gapful number since it is divisible by the number (10) 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 14388642380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17395015680).

14388642380 is an abundant number, since it is smaller than the sum of its proper divisors (20401388980).

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

14388642380 is a wasteful number, since it uses less digits than its factorization.

14388642380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599 (or 1597 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 47.

The spelling of 14388642380 in words is "fourteen billion, three hundred eighty-eight million, six hundred forty-two thousand, three hundred eighty".