28006026441 has 32 divisors (see below), whose sum is σ = 38541312000. Its totient is φ = 18080141760.

The previous prime is 28006026439. The next prime is 28006026443. The reversal of 28006026441 is 14462060082.

It is an interprime number because it is at equal distance from previous prime (28006026439) and next prime (28006026443).

It is not a de Polignac number, because 28006026441 - 2¹ = 28006026439 is a prime.

It is a super-2 number, since 2×28006026441² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28006026443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5690980 + ... + 5695898.

It is an arithmetic number, because the mean of its divisors is an integer number (1204416000).

Almost surely, 2^28006026441 is an apocalyptic number.

It is an amenable number.

28006026441 is a deficient number, since it is larger than the sum of its proper divisors (10535285559).

28006026441 is a wasteful number, since it uses less digits than its factorization.

28006026441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5389.

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 28006026441 in words is "twenty-eight billion, six million, twenty-six thousand, four hundred forty-one".