26361340500 has 96 divisors (see below), whose sum is σ = 83742841728. Its totient is φ = 6390624000.

The previous prime is 26361340477. The next prime is 26361340501. The reversal of 26361340500 is 504316362.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26361340501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 782329 + ... + 815328.

It is an arithmetic number, because the mean of its divisors is an integer number (872321268).

Almost surely, 2^26361340500 is an apocalyptic number.

26361340500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26361340500 is an abundant number, since it is smaller than the sum of its proper divisors (57381501228).

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

26361340500 is a wasteful number, since it uses less digits than its factorization.

26361340500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597690 (or 1597678 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 26361340500 its reverse (504316362), we get a palindrome (26865656862).

The spelling of 26361340500 in words is "twenty-six billion, three hundred sixty-one million, three hundred forty thousand, five hundred".