19142582082 has 64 divisors (see below), whose sum is σ = 42241844736. Its totient is φ = 5746740480.

The previous prime is 19142582051. The next prime is 19142582087. The reversal of 19142582082 is 28028524191.

It is a super-2 number, since 2×19142582082² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19142582087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 735463 + ... + 761045.

It is an arithmetic number, because the mean of its divisors is an integer number (660028824).

Almost surely, 2^19142582082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19142582082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21120922368).

19142582082 is an abundant number, since it is smaller than the sum of its proper divisors (23099262654).

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

19142582082 is a wasteful number, since it uses less digits than its factorization.

19142582082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25835.

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 19142582082 in words is "nineteen billion, one hundred forty-two million, five hundred eighty-two thousand, eighty-two".