26245405052 has 24 divisors (see below), whose sum is σ = 51190730640. Its totient is φ = 11700737280.

The previous prime is 26245405037. The next prime is 26245405057. The reversal of 26245405052 is 25050454262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26245405057) 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 7 ways as a sum of consecutive naturals, for example, 10155599 + ... + 10158182.

It is an arithmetic number, because the mean of its divisors is an integer number (2132947110).

Almost surely, 2^26245405052 is an apocalyptic number.

It is an amenable number.

26245405052 is a deficient number, since it is larger than the sum of its proper divisors (24945325588).

26245405052 is a wasteful number, since it uses less digits than its factorization.

26245405052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20313821 (or 20313819 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 26245405052 in words is "twenty-six billion, two hundred forty-five million, four hundred five thousand, fifty-two".