14000638890 has 64 divisors (see below), whose sum is σ = 40071407616. Its totient is φ = 3061008192.

The previous prime is 14000638871. The next prime is 14000638891. The reversal of 14000638890 is 9883600041.

It is not an unprimeable number, because it can be changed into a prime (14000638891) 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, 1444512 + ... + 1454171.

It is an arithmetic number, because the mean of its divisors is an integer number (626115744).

Almost surely, 2^14000638890 is an apocalyptic number.

14000638890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14000638890 is an abundant number, since it is smaller than the sum of its proper divisors (26070768726).

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

14000638890 is a wasteful number, since it uses less digits than its factorization.

14000638890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898723.

The product of its (nonzero) digits is 41472, while the sum is 39.

The spelling of 14000638890 in words is "fourteen billion, six hundred thirty-eight thousand, eight hundred ninety".