26720600500 has 48 divisors (see below), whose sum is σ = 63663058368. Its totient is φ = 9716580000.

The previous prime is 26720600371. The next prime is 26720600503. The reversal of 26720600500 is 500602762.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26720600503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2423646 + ... + 2434645.

It is an arithmetic number, because the mean of its divisors is an integer number (1326313716).

Almost surely, 2^26720600500 is an apocalyptic number.

26720600500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26720600500 is an abundant number, since it is smaller than the sum of its proper divisors (36942457868).

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

26720600500 is a wasteful number, since it uses less digits than its factorization.

26720600500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4858321 (or 4858309 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 26720600500 in words is "twenty-six billion, seven hundred twenty million, six hundred thousand, five hundred".