26221451454 has 96 divisors (see below), whose sum is σ = 62537080320. Its totient is φ = 7874563200.

The previous prime is 26221451437. The next prime is 26221451483. The reversal of 26221451454 is 45415412262.

26221451454 is a `hidden beast` number, since 2 + 62 + 2 + 145 + 1 + 454 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10740874 + ... + 10743314.

It is an arithmetic number, because the mean of its divisors is an integer number (651427920).

Almost surely, 2^26221451454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26221451454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31268540160).

26221451454 is an abundant number, since it is smaller than the sum of its proper divisors (36315628866).

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

26221451454 is a wasteful number, since it uses less digits than its factorization.

26221451454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926 (or 2923 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The spelling of 26221451454 in words is "twenty-six billion, two hundred twenty-one million, four hundred fifty-one thousand, four hundred fifty-four".