26457044418 has 384 divisors, whose sum is σ = 74709216000. Its totient is φ = 6983843328.

The previous prime is 26457044413. The next prime is 26457044473. The reversal of 26457044418 is 81444075462.

26457044418 is a `hidden beast` number, since 2 + 64 + 570 + 4 + 4 + 4 + 18 = 666.

It is not an unprimeable number, because it can be changed into a prime (26457044413) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 297270118 + ... + 297270206.

It is an arithmetic number, because the mean of its divisors is an integer number (194555250).

Almost surely, 2^26457044418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26457044418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37354608000).

26457044418 is an abundant number, since it is smaller than the sum of its proper divisors (48252171582).

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

26457044418 is an equidigital number, since it uses as much as digits as its factorization.

26457044418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 26457044418 in words is "twenty-six billion, four hundred fifty-seven million, forty-four thousand, four hundred eighteen".