28381018382 has 32 divisors (see below), whose sum is σ = 44441892864. Its totient is φ = 13577796000.

The previous prime is 28381018343. The next prime is 28381018399.

28381018382 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5150873 + ... + 5156379.

It is an arithmetic number, because the mean of its divisors is an integer number (1388809152).

Almost surely, 2^28381018382 is an apocalyptic number.

28381018382 is a deficient number, since it is larger than the sum of its proper divisors (16060874482).

28381018382 is a wasteful number, since it uses less digits than its factorization.

28381018382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6464.

The product of its (nonzero) digits is 147456, while the sum is 44.

The spelling of 28381018382 in words is "twenty-eight billion, three hundred eighty-one million, eighteen thousand, three hundred eighty-two".