2606981421400 has 24 divisors (see below), whose sum is σ = 6061231805220. Its totient is φ = 1042792568480.

The previous prime is 2606981421371. The next prime is 2606981421437. The reversal of 2606981421400 is 41241896062.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6517453354 + ... + 6517453753.

Almost surely, 2^{2606981421400} is an apocalyptic number.

2606981421400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2606981421400 is an abundant number, since it is smaller than the sum of its proper divisors (3454250383820).

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

2606981421400 is a wasteful number, since it uses less digits than its factorization.

2606981421400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13034907123 (or 13034907114 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 2606981421400 in words is "two trillion, six hundred six billion, nine hundred eighty-one million, four hundred twenty-one thousand, four hundred".