26451297528 has 16 divisors (see below), whose sum is σ = 66128243880. Its totient is φ = 8817099168.

The previous prime is 26451297497. The next prime is 26451297539. The reversal of 26451297528 is 82579215462.

It is a super-2 number, since 2×26451297528² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 551068675 + ... + 551068722.

Almost surely, 2^26451297528 is an apocalyptic number.

It is an amenable number.

26451297528 is an abundant number, since it is smaller than the sum of its proper divisors (39676946352).

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

26451297528 is a wasteful number, since it uses less digits than its factorization.

26451297528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102137406 (or 1102137402 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 51.

The spelling of 26451297528 in words is "twenty-six billion, four hundred fifty-one million, two hundred ninety-seven thousand, five hundred twenty-eight".