281889140420362 has 16 divisors (see below), whose sum is σ = 441241709653440. Its totient is φ = 134809235109472.

The previous prime is 281889140420359. The next prime is 281889140420369. The reversal of 281889140420362 is 263024041988182.

It is a super-2 number, since 2×281889140420362² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 281889140420297 and 281889140420306.

It is not an unprimeable number, because it can be changed into a prime (281889140420369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165285787 + ... + 166982542.

It is an arithmetic number, because the mean of its divisors is an integer number (27577606853340).

Almost surely, 2^{281889140420362} is an apocalyptic number.

281889140420362 is a deficient number, since it is larger than the sum of its proper divisors (159352569233078).

281889140420362 is a wasteful number, since it uses less digits than its factorization.

281889140420362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332286797.

The product of its (nonzero) digits is 10616832, while the sum is 58.

The spelling of 281889140420362 in words is "two hundred eighty-one trillion, eight hundred eighty-nine billion, one hundred forty million, four hundred twenty thousand, three hundred sixty-two".