26440412455 has 8 divisors (see below), whose sum is σ = 31860149904. Its totient is φ = 21064560000.

The previous prime is 26440412447. The next prime is 26440412503. The reversal of 26440412455 is 55421404462.

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

It is not a de Polignac number, because 26440412455 - 2³ = 26440412447 is a prime.

It is a Duffinian 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, 10969921 + ... + 10972330.

It is an arithmetic number, because the mean of its divisors is an integer number (3982518738).

Almost surely, 2^26440412455 is an apocalyptic number.

26440412455 is a deficient number, since it is larger than the sum of its proper divisors (5419737449).

26440412455 is a wasteful number, since it uses less digits than its factorization.

26440412455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21942497.

The product of its (nonzero) digits is 153600, while the sum is 37.

The spelling of 26440412455 in words is "twenty-six billion, four hundred forty million, four hundred twelve thousand, four hundred fifty-five".