26555307960 has 96 divisors (see below), whose sum is σ = 80874354960. Its totient is φ = 6975581184.

The previous prime is 26555307901. The next prime is 26555307967. The reversal of 26555307960 is 6970355562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26555307967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 514032 + ... + 563328.

Almost surely, 2^26555307960 is an apocalyptic number.

26555307960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26555307960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40437177480).

26555307960 is an abundant number, since it is smaller than the sum of its proper divisors (54319047000).

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

26555307960 is a wasteful number, since it uses less digits than its factorization.

26555307960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49445 (or 49374 counting only the distinct ones).

The product of its (nonzero) digits is 1701000, while the sum is 48.

The spelling of 26555307960 in words is "twenty-six billion, five hundred fifty-five million, three hundred seven thousand, nine hundred sixty".