26126205428 has 24 divisors (see below), whose sum is σ = 46498221504. Its totient is φ = 12842784000.

The previous prime is 26126205409. The next prime is 26126205437. The reversal of 26126205428 is 82450262162.

It is a super-2 number, since 2×26126205428² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26126205391 and 26126205400.

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 7 ways as a sum of consecutive naturals, for example, 164378 + ... + 281553.

It is an arithmetic number, because the mean of its divisors is an integer number (1937425896).

Almost surely, 2^26126205428 is an apocalyptic number.

It is an amenable number.

26126205428 is a deficient number, since it is larger than the sum of its proper divisors (20372016076).

26126205428 is a wasteful number, since it uses less digits than its factorization.

26126205428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446183 (or 446181 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 26126205428 in words is "twenty-six billion, one hundred twenty-six million, two hundred five thousand, four hundred twenty-eight".