14431201890 has 32 divisors (see below), whose sum is σ = 39582725760. Its totient is φ = 3298560384.

The previous prime is 14431201817. The next prime is 14431201901. The reversal of 14431201890 is 9810213441.

It is a happy number.

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, 34359795 + ... + 34360214.

It is an arithmetic number, because the mean of its divisors is an integer number (1236960180).

Almost surely, 2^14431201890 is an apocalyptic number.

14431201890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14431201890 is an abundant number, since it is smaller than the sum of its proper divisors (25151523870).

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

14431201890 is a wasteful number, since it uses less digits than its factorization.

14431201890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68720026.

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 14431201890 in words is "fourteen billion, four hundred thirty-one million, two hundred one thousand, eight hundred ninety".