26405357530 has 32 divisors (see below), whose sum is σ = 49244941440. Its totient is φ = 10182096960.

The previous prime is 26405357497. The next prime is 26405357533. The reversal of 26405357530 is 3575350462.

26405357530 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (26405357533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117265 + ... + 257995.

It is an arithmetic number, because the mean of its divisors is an integer number (1538904420).

Almost surely, 2^26405357530 is an apocalyptic number.

26405357530 is a deficient number, since it is larger than the sum of its proper divisors (22839583910).

26405357530 is a wasteful number, since it uses less digits than its factorization.

26405357530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141414.

The product of its (nonzero) digits is 378000, while the sum is 40.

The spelling of 26405357530 in words is "twenty-six billion, four hundred five million, three hundred fifty-seven thousand, five hundred thirty".