26450250100 has 18 divisors (see below), whose sum is σ = 57397042934. Its totient is φ = 10580100000.

The previous prime is 26450250097. The next prime is 26450250109. The reversal of 26450250100 is 105205462.

It can be written as a sum of positive squares in 3 ways, for example, as 3828886884 + 22621363216 = 61878^2 + 150404^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26450250109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132251151 + ... + 132251350.

Almost surely, 2^26450250100 is an apocalyptic number.

26450250100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26450250100 is an abundant number, since it is smaller than the sum of its proper divisors (30946792834).

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

26450250100 is a wasteful number, since it uses less digits than its factorization.

26450250100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264502515 (or 264502508 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 26450250100 its reverse (105205462), we get a palindrome (26555455562).

The spelling of 26450250100 in words is "twenty-six billion, four hundred fifty million, two hundred fifty thousand, one hundred".