28034649444 has 48 divisors (see below), whose sum is σ = 65633916096. Its totient is φ = 9313536000.

The previous prime is 28034649439. The next prime is 28034649449. The reversal of 28034649444 is 44494643082.

It is an interprime number because it is at equal distance from previous prime (28034649439) and next prime (28034649449).

It is a junction number, because it is equal to n+sod(n) for n = 28034649393 and 28034649402.

It is not an unprimeable number, because it can be changed into a prime (28034649449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8712924 + ... + 8716140.

It is an arithmetic number, because the mean of its divisors is an integer number (1367373252).

Almost surely, 2^28034649444 is an apocalyptic number.

It is an amenable number.

28034649444 is an abundant number, since it is smaller than the sum of its proper divisors (37599266652).

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

28034649444 is a wasteful number, since it uses less digits than its factorization.

28034649444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5436 (or 5434 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 48.

The spelling of 28034649444 in words is "twenty-eight billion, thirty-four million, six hundred forty-nine thousand, four hundred forty-four".