19060420464 has 120 divisors (see below), whose sum is σ = 54994469712. Its totient is φ = 6158730240.

The previous prime is 19060420411. The next prime is 19060420469. The reversal of 19060420464 is 46402406091.

19060420464 is a `hidden beast` number, since 1 + 9 + 0 + 604 + 2 + 0 + 46 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19060420469) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 916647 + ... + 937209.

Almost surely, 2^19060420464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19060420464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27497234856).

19060420464 is an abundant number, since it is smaller than the sum of its proper divisors (35934049248).

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

19060420464 is a wasteful number, since it uses less digits than its factorization.

19060420464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20775 (or 20766 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 19060420464 in words is "nineteen billion, sixty million, four hundred twenty thousand, four hundred sixty-four".