19264226844 has 24 divisors (see below), whose sum is σ = 47315645440. Its totient is φ = 6083439984.

The previous prime is 19264226833. The next prime is 19264226851. The reversal of 19264226844 is 44862246291.

It is a super-2 number, since 2×19264226844² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19264226793 and 19264226802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42245884 + ... + 42246339.

Almost surely, 2^19264226844 is an apocalyptic number.

It is an amenable number.

19264226844 is an abundant number, since it is smaller than the sum of its proper divisors (28051418596).

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

19264226844 is a wasteful number, since it uses less digits than its factorization.

19264226844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84492249 (or 84492247 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

The spelling of 19264226844 in words is "nineteen billion, two hundred sixty-four million, two hundred twenty-six thousand, eight hundred forty-four".