26540204352 has 56 divisors (see below), whose sum is σ = 70246987776. Its totient is φ = 8843455488.

The previous prime is 26540204333. The next prime is 26540204357. The reversal of 26540204352 is 25340204562.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26540204357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524353 + ... + 572735.

It is an arithmetic number, because the mean of its divisors is an integer number (1254410496).

Almost surely, 2^26540204352 is an apocalyptic number.

It is an amenable number.

26540204352 is an abundant number, since it is smaller than the sum of its proper divisors (43706783424).

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

26540204352 is a wasteful number, since it uses less digits than its factorization.

26540204352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51255 (or 51245 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 26540204352 in words is "twenty-six billion, five hundred forty million, two hundred four thousand, three hundred fifty-two".