26274400553 has 24 divisors (see below), whose sum is σ = 28979457408. Its totient is φ = 23794712928.

The previous prime is 26274400549. The next prime is 26274400583. The reversal of 26274400553 is 35500447262.

It is not a de Polignac number, because 26274400553 - 2² = 26274400549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26274400583) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 711575 + ... + 747587.

It is an arithmetic number, because the mean of its divisors is an integer number (1207477392).

Almost surely, 2^26274400553 is an apocalyptic number.

It is an amenable number.

26274400553 is a deficient number, since it is larger than the sum of its proper divisors (2705056855).

26274400553 is a wasteful number, since it uses less digits than its factorization.

26274400553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36141 (or 36122 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 26274400553 in words is "twenty-six billion, two hundred seventy-four million, four hundred thousand, five hundred fifty-three".