26080200640 has 56 divisors (see below), whose sum is σ = 66880679040. Its totient is φ = 9629611008.

The previous prime is 26080200637. The next prime is 26080200647. The reversal of 26080200640 is 4600208062.

It is a junction number, because it is equal to n+sod(n) for n = 26080200599 and 26080200608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26080200647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3130480 + ... + 3138799.

It is an arithmetic number, because the mean of its divisors is an integer number (1194297840).

Almost surely, 2^26080200640 is an apocalyptic number.

26080200640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26080200640 is an abundant number, since it is smaller than the sum of its proper divisors (40800478400).

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

26080200640 is a wasteful number, since it uses less digits than its factorization.

26080200640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6269309 (or 6269299 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 26080200640 in words is "twenty-six billion, eighty million, two hundred thousand, six hundred forty".