28426022684408 has 16 divisors (see below), whose sum is σ = 53298934460280. Its totient is φ = 14212973495008.

The previous prime is 28426022684401. The next prime is 28426022684419. The reversal of 28426022684408 is 80448622062482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28426022684401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1400966 + ... + 7669077.

Almost surely, 2^{28426022684408} is an apocalyptic number.

It is an amenable number.

28426022684408 is a deficient number, since it is larger than the sum of its proper divisors (24872911775872).

28426022684408 is a wasteful number, since it uses less digits than its factorization.

28426022684408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9461806 (or 9461802 counting only the distinct ones).

The product of its (nonzero) digits is 18874368, while the sum is 56.

The spelling of 28426022684408 in words is "twenty-eight trillion, four hundred twenty-six billion, twenty-two million, six hundred eighty-four thousand, four hundred eight".