28107553441 has 24 divisors (see below), whose sum is σ = 31721032224. Its totient is φ = 24694200960.

The previous prime is 28107553421. The next prime is 28107553457. The reversal of 28107553441 is 14435570182.

It is not a de Polignac number, because 28107553441 - 2¹¹ = 28107551393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28107553394 and 28107553403.

It is not an unprimeable number, because it can be changed into a prime (28107553421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2063445 + ... + 2077021.

It is an arithmetic number, because the mean of its divisors is an integer number (1321709676).

Almost surely, 2^28107553441 is an apocalyptic number.

It is an amenable number.

28107553441 is a deficient number, since it is larger than the sum of its proper divisors (3613478783).

28107553441 is a wasteful number, since it uses less digits than its factorization.

28107553441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13761 (or 13708 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 28107553441 in words is "twenty-eight billion, one hundred seven million, five hundred fifty-three thousand, four hundred forty-one".