19944230270 has 16 divisors (see below), whose sum is σ = 37789068240. Its totient is φ = 7557813504.

The previous prime is 19944230263. The next prime is 19944230279. The reversal of 19944230270 is 7203244991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19944230279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52484627 + ... + 52485006.

It is an arithmetic number, because the mean of its divisors is an integer number (2361816765).

Almost surely, 2^19944230270 is an apocalyptic number.

19944230270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19944230270 is a deficient number, since it is larger than the sum of its proper divisors (17844837970).

19944230270 is a wasteful number, since it uses less digits than its factorization.

19944230270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104969659.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 19944230270 in words is "nineteen billion, nine hundred forty-four million, two hundred thirty thousand, two hundred seventy".