26245500100 has 72 divisors (see below), whose sum is σ = 60403508928. Its totient is φ = 9877084800.

The previous prime is 26245500079. The next prime is 26245500121. The reversal of 26245500100 is 100554262.

It is an interprime number because it is at equal distance from previous prime (26245500079) and next prime (26245500121).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46767 + ... + 233833.

It is an arithmetic number, because the mean of its divisors is an integer number (838937624).

Almost surely, 2^26245500100 is an apocalyptic number.

26245500100 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 26245500100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30201754464).

26245500100 is an abundant number, since it is smaller than the sum of its proper divisors (34158008828).

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

26245500100 is a wasteful number, since it uses less digits than its factorization.

26245500100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187165 (or 187158 counting only the distinct ones).

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

The spelling of 26245500100 in words is "twenty-six billion, two hundred forty-five million, five hundred thousand, one hundred".