26305340633340 has 24 divisors (see below), whose sum is σ = 73654953773520. Its totient is φ = 7014757502208.

The previous prime is 26305340633323. The next prime is 26305340633357. The reversal of 26305340633340 is 4333604350362.

It is an interprime number because it is at equal distance from previous prime (26305340633323) and next prime (26305340633357).

It is a junction number, because it is equal to n+sod(n) for n = 26305340633292 and 26305340633301.

It is a congruent number.

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, 219211171885 + ... + 219211172004.

It is an arithmetic number, because the mean of its divisors is an integer number (3068956407230).

Almost surely, 2^{26305340633340} is an apocalyptic number.

26305340633340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26305340633340 is an abundant number, since it is smaller than the sum of its proper divisors (47349613140180).

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

26305340633340 is a wasteful number, since it uses less digits than its factorization.

26305340633340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438422343901 (or 438422343899 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 42.

The spelling of 26305340633340 in words is "twenty-six trillion, three hundred five billion, three hundred forty million, six hundred thirty-three thousand, three hundred forty".