26616828450 has 96 divisors (see below), whose sum is σ = 67246320960. Its totient is φ = 6965395200.

The previous prime is 26616828443. The next prime is 26616828457. The reversal of 26616828450 is 5482861662.

It is an interprime number because it is at equal distance from previous prime (26616828443) and next prime (26616828457).

It is a self number, because there is not a number n which added to its sum of digits gives 26616828450.

It is not an unprimeable number, because it can be changed into a prime (26616828457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4269936 + ... + 4276164.

It is an arithmetic number, because the mean of its divisors is an integer number (700482510).

Almost surely, 2^26616828450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26616828450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33623160480).

26616828450 is an abundant number, since it is smaller than the sum of its proper divisors (40629492510).

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

26616828450 is a wasteful number, since it uses less digits than its factorization.

26616828450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6772 (or 6767 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 26616828450 in words is "twenty-six billion, six hundred sixteen million, eight hundred twenty-eight thousand, four hundred fifty".