26531640750 has 64 divisors (see below), whose sum is σ = 70118478144. Its totient is φ = 6658918400.

The previous prime is 26531640721. The next prime is 26531640769. The reversal of 26531640750 is 5704613562.

It is a junction number, because it is equal to n+sod(n) for n = 26531640699 and 26531640708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1027707 + ... + 1053206.

It is an arithmetic number, because the mean of its divisors is an integer number (1095601221).

Almost surely, 2^26531640750 is an apocalyptic number.

26531640750 is an abundant number, since it is smaller than the sum of its proper divisors (43586837394).

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

26531640750 is a wasteful number, since it uses less digits than its factorization.

26531640750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080950 (or 2080940 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 26531640750 in words is "twenty-six billion, five hundred thirty-one million, six hundred forty thousand, seven hundred fifty".