26219835216 has 480 divisors, whose sum is σ = 85884503040. Its totient is φ = 7619788800.

The previous prime is 26219835209. The next prime is 26219835253. The reversal of 26219835216 is 61253891262.

26219835216 is a `hidden beast` number, since 2 + 621 + 9 + 8 + 3 + 5 + 2 + 16 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 494713846 + ... + 494713898.

It is an arithmetic number, because the mean of its divisors is an integer number (178926048).

Almost surely, 2^26219835216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26219835216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42942251520).

26219835216 is an abundant number, since it is smaller than the sum of its proper divisors (59664667824).

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

26219835216 is a wasteful number, since it uses less digits than its factorization.

26219835216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 147 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The spelling of 26219835216 in words is "twenty-six billion, two hundred nineteen million, eight hundred thirty-five thousand, two hundred sixteen".