26440662545 has 8 divisors (see below), whose sum is σ = 34613231040. Its totient is φ = 19229572720.

The previous prime is 26440662533. The next prime is 26440662551. The reversal of 26440662545 is 54526604462.

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

It is not a de Polignac number, because 26440662545 - 2⁶ = 26440662481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26440662496 and 26440662505.

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, 240369605 + ... + 240369714.

It is an arithmetic number, because the mean of its divisors is an integer number (4326653880).

Almost surely, 2^26440662545 is an apocalyptic number.

It is an amenable number.

26440662545 is a deficient number, since it is larger than the sum of its proper divisors (8172568495).

26440662545 is a wasteful number, since it uses less digits than its factorization.

26440662545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480739335.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 26440662545 in words is "twenty-six billion, four hundred forty million, six hundred sixty-two thousand, five hundred forty-five".