26274894624 has 144 divisors (see below), whose sum is σ = 82108222560. Its totient is φ = 7903841280.

The previous prime is 26274894593. The next prime is 26274894647. The reversal of 26274894624 is 42649847262.

It is a happy number.

26274894624 is a `hidden beast` number, since 2 + 6 + 2 + 7 + 4 + 8 + 9 + 4 + 624 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403747 + ... + 464285.

It is an arithmetic number, because the mean of its divisors is an integer number (570195990).

Almost surely, 2^26274894624 is an apocalyptic number.

26274894624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26274894624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41054111280).

26274894624 is an abundant number, since it is smaller than the sum of its proper divisors (55833327936).

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

26274894624 is a wasteful number, since it uses less digits than its factorization.

26274894624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60703 (or 60692 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 54.

The spelling of 26274894624 in words is "twenty-six billion, two hundred seventy-four million, eight hundred ninety-four thousand, six hundred twenty-four".