19400570682 has 16 divisors (see below), whose sum is σ = 38893750560. Its totient is φ = 6451422032.

The previous prime is 19400570681. The next prime is 19400570687. The reversal of 19400570682 is 28607500491.

It is not an unprimeable number, because it can be changed into a prime (19400570681) 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 7 ways as a sum of consecutive naturals, for example, 3855993 + ... + 3861020.

It is an arithmetic number, because the mean of its divisors is an integer number (2430859410).

Almost surely, 2^19400570682 is an apocalyptic number.

19400570682 is an abundant number, since it is smaller than the sum of its proper divisors (19493179878).

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

19400570682 is a wasteful number, since it uses less digits than its factorization.

19400570682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7717437.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 19400570682 in words is "nineteen billion, four hundred million, five hundred seventy thousand, six hundred eighty-two".