2622556840538 has 8 divisors (see below), whose sum is σ = 4025319801888. Its totient is φ = 1280783573244.

The previous prime is 2622556840517. The next prime is 2622556840621. The reversal of 2622556840538 is 8350486552262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15247423406 + ... + 15247423577.

It is an arithmetic number, because the mean of its divisors is an integer number (503164975236).

Almost surely, 2^{2622556840538} is an apocalyptic number.

2622556840538 is a deficient number, since it is larger than the sum of its proper divisors (1402762961350).

2622556840538 is a wasteful number, since it uses less digits than its factorization.

2622556840538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30494847028.

The product of its (nonzero) digits is 27648000, while the sum is 56.

The spelling of 2622556840538 in words is "two trillion, six hundred twenty-two billion, five hundred fifty-six million, eight hundred forty thousand, five hundred thirty-eight".