26540262641623 has 8 divisors (see below), whose sum is σ = 26642584332000. Its totient is φ = 26438091095328.

The previous prime is 26540262641597. The next prime is 26540262641689. The reversal of 26540262641623 is 32614626204562.

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

It is a cyclic number.

It is not a de Polignac number, because 26540262641623 - 2³³ = 26531672707031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26540262641023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37181803 + ... + 37888876.

It is an arithmetic number, because the mean of its divisors is an integer number (3330323041500).

Almost surely, 2^{26540262641623} is an apocalyptic number.

26540262641623 is a deficient number, since it is larger than the sum of its proper divisors (102321690377).

26540262641623 is a wasteful number, since it uses less digits than its factorization.

26540262641623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75072041.

The product of its (nonzero) digits is 4976640, while the sum is 49.

The spelling of 26540262641623 in words is "twenty-six trillion, five hundred forty billion, two hundred sixty-two million, six hundred forty-one thousand, six hundred twenty-three".