26401200825 has 24 divisors (see below), whose sum is σ = 43661268000. Its totient is φ = 14077000960.

The previous prime is 26401200823. The next prime is 26401200863. The reversal of 26401200825 is 52800210462.

It is not a de Polignac number, because 26401200825 - 2¹ = 26401200823 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26401200792 and 26401200801.

It is not an unprimeable number, because it can be changed into a prime (26401200823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260206 + ... + 347144.

It is an arithmetic number, because the mean of its divisors is an integer number (1819219500).

Almost surely, 2^26401200825 is an apocalyptic number.

26401200825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26401200825 is a deficient number, since it is larger than the sum of its proper divisors (17260067175).

26401200825 is a wasteful number, since it uses less digits than its factorization.

26401200825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91001 (or 90996 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 26401200825 in words is "twenty-six billion, four hundred one million, two hundred thousand, eight hundred twenty-five".