19404331282 has 16 divisors (see below), whose sum is σ = 34163611200. Its totient is φ = 8091381168.

The previous prime is 19404331277. The next prime is 19404331283. The reversal of 19404331282 is 28213340491.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (19404331283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18729532 + ... + 18730567.

It is an arithmetic number, because the mean of its divisors is an integer number (2135225700).

Almost surely, 2^19404331282 is an apocalyptic number.

19404331282 is a deficient number, since it is larger than the sum of its proper divisors (14759279918).

19404331282 is a wasteful number, since it uses less digits than its factorization.

19404331282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37460145.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 19404331282 in words is "nineteen billion, four hundred four million, three hundred thirty-one thousand, two hundred eighty-two".