26253345340 has 24 divisors (see below), whose sum is σ = 55331069472. Its totient is φ = 10463424960.

The previous prime is 26253345319. The next prime is 26253345353. The reversal of 26253345340 is 4354335262.

It is a self number, because there is not a number n which added to its sum of digits gives 26253345340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2363896 + ... + 2374975.

It is an arithmetic number, because the mean of its divisors is an integer number (2305461228).

Almost surely, 2^26253345340 is an apocalyptic number.

26253345340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26253345340 is an abundant number, since it is smaller than the sum of its proper divisors (29077724132).

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

26253345340 is a wasteful number, since it uses less digits than its factorization.

26253345340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4739157 (or 4739155 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 37.

The spelling of 26253345340 in words is "twenty-six billion, two hundred fifty-three million, three hundred forty-five thousand, three hundred forty".