14894140394 has 32 divisors (see below), whose sum is σ = 27501703680. Its totient is φ = 5906606832.

The previous prime is 14894140379. The next prime is 14894140399. The reversal of 14894140394 is 49304149841.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (14894140399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639644 + ... + 662519.

It is an arithmetic number, because the mean of its divisors is an integer number (859428240).

Almost surely, 2^14894140394 is an apocalyptic number.

14894140394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

14894140394 is a deficient number, since it is larger than the sum of its proper divisors (12607563286).

14894140394 is a wasteful number, since it uses less digits than its factorization.

14894140394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302234.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 14894140394 in words is "fourteen billion, eight hundred ninety-four million, one hundred forty thousand, three hundred ninety-four".