26493548122240 has 64 divisors (see below), whose sum is σ = 63343069182360. Its totient is φ = 10596259602432.

The previous prime is 26493548122193. The next prime is 26493548122271. The reversal of 26493548122240 is 4222184539462.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20312039444544 + 6181508677696 = 4506888^2 + 2486264^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3600124 + ... + 8120836.

Almost surely, 2^{26493548122240} is an apocalyptic number.

26493548122240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26493548122240 is an abundant number, since it is smaller than the sum of its proper divisors (36849521060120).

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

26493548122240 is an equidigital number, since it uses as much as digits as its factorization.

26493548122240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529889 (or 4529877 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 52.

The spelling of 26493548122240 in words is "twenty-six trillion, four hundred ninety-three billion, five hundred forty-eight million, one hundred twenty-two thousand, two hundred forty".