26040645430 has 8 divisors (see below), whose sum is σ = 46873161792. Its totient is φ = 10416258168.

The previous prime is 26040645427. The next prime is 26040645431. The reversal of 26040645430 is 3454604062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×26040645430³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26040645431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1302032262 + ... + 1302032281.

It is an arithmetic number, because the mean of its divisors is an integer number (5859145224).

Almost surely, 2^26040645430 is an apocalyptic number.

26040645430 is a deficient number, since it is larger than the sum of its proper divisors (20832516362).

26040645430 is a wasteful number, since it uses less digits than its factorization.

26040645430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604064550.

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 26040645430 in words is "twenty-six billion, forty million, six hundred forty-five thousand, four hundred thirty".