19736440414 has 8 divisors (see below), whose sum is σ = 30021627888. Its totient is φ = 9729231120.

The previous prime is 19736440387. The next prime is 19736440429. The reversal of 19736440414 is 41404463791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69494367 + ... + 69494650.

It is an arithmetic number, because the mean of its divisors is an integer number (3752703486).

Almost surely, 2^19736440414 is an apocalyptic number.

19736440414 is a deficient number, since it is larger than the sum of its proper divisors (10285187474).

19736440414 is a wasteful number, since it uses less digits than its factorization.

19736440414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138989090.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 19736440414 in words is "nineteen billion, seven hundred thirty-six million, four hundred forty thousand, four hundred fourteen".