19040402419 has 8 divisors (see below), whose sum is σ = 19683750240. Its totient is φ = 18405576000.

The previous prime is 19040402411. The next prime is 19040402453. The reversal of 19040402419 is 91420404091.

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

It is a cyclic number.

It is not a de Polignac number, because 19040402419 - 2³ = 19040402411 is a prime.

It is a super-2 number, since 2×19040402419² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19040402411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2125807 + ... + 2134744.

It is an arithmetic number, because the mean of its divisors is an integer number (2460468780).

Almost surely, 2^19040402419 is an apocalyptic number.

19040402419 is a deficient number, since it is larger than the sum of its proper divisors (643347821).

19040402419 is a wasteful number, since it uses less digits than its factorization.

19040402419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4260701.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 19040402419 in words is "nineteen billion, forty million, four hundred two thousand, four hundred nineteen".