26460206550 has 384 divisors, whose sum is σ = 80223436800. Its totient is φ = 6387984000.

The previous prime is 26460206501. The next prime is 26460206567. The reversal of 26460206550 is 5560206462.

26460206550 is a `hidden beast` number, since 2 + 646 + 0 + 2 + 0 + 6 + 5 + 5 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 85080895 + ... + 85081205.

It is an arithmetic number, because the mean of its divisors is an integer number (208915200).

Almost surely, 2^26460206550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26460206550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40111718400).

26460206550 is an abundant number, since it is smaller than the sum of its proper divisors (53763230250).

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

26460206550 is a wasteful number, since it uses less digits than its factorization.

26460206550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 26460206550 in words is "twenty-six billion, four hundred sixty million, two hundred six thousand, five hundred fifty".