26431322025 has 24 divisors (see below), whose sum is σ = 43711577280. Its totient is φ = 14092901440.

The previous prime is 26431321993. The next prime is 26431322039. The reversal of 26431322025 is 52022313462.

It is not a de Polignac number, because 26431322025 - 2⁵ = 26431321993 is a prime.

It is a super-2 number, since 2×26431322025² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26431321983 and 26431322001.

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, 244111 + ... + 335339.

It is an arithmetic number, because the mean of its divisors is an integer number (1821315720).

Almost surely, 2^26431322025 is an apocalyptic number.

26431322025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26431322025 is a deficient number, since it is larger than the sum of its proper divisors (17280255255).

26431322025 is a wasteful number, since it uses less digits than its factorization.

26431322025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95105 (or 95100 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 26431322025 its reverse (52022313462), we get a palindrome (78453635487).

The spelling of 26431322025 in words is "twenty-six billion, four hundred thirty-one million, three hundred twenty-two thousand, twenty-five".