26321750540 has 12 divisors (see below), whose sum is σ = 55275676176. Its totient is φ = 10528700208.

The previous prime is 26321750489. The next prime is 26321750561. The reversal of 26321750540 is 4505712362.

It is a self number, because there is not a number n which added to its sum of digits gives 26321750540.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658043744 + ... + 658043783.

It is an arithmetic number, because the mean of its divisors is an integer number (4606306348).

Almost surely, 2^26321750540 is an apocalyptic number.

26321750540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26321750540 is an abundant number, since it is smaller than the sum of its proper divisors (28953925636).

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

26321750540 is a wasteful number, since it uses less digits than its factorization.

26321750540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316087536 (or 1316087534 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 26321750540 in words is "twenty-six billion, three hundred twenty-one million, seven hundred fifty thousand, five hundred forty".