26305691190 has 16 divisors (see below), whose sum is σ = 63133658928. Its totient is φ = 7014850976.

The previous prime is 26305691189. The next prime is 26305691227. The reversal of 26305691190 is 9119650362.

It is a super-2 number, since 2×26305691190² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

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, 438428157 + ... + 438428216.

It is an arithmetic number, because the mean of its divisors is an integer number (3945853683).

Almost surely, 2^26305691190 is an apocalyptic number.

26305691190 is an abundant number, since it is smaller than the sum of its proper divisors (36827967738).

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

26305691190 is a wasteful number, since it uses less digits than its factorization.

26305691190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876856383.

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 26305691190 in words is "twenty-six billion, three hundred five million, six hundred ninety-one thousand, one hundred ninety".