26540352451 has 32 divisors (see below), whose sum is σ = 29822421888. Its totient is φ = 23507527680.

The previous prime is 26540352427. The next prime is 26540352473. The reversal of 26540352451 is 15425304562.

It is a cyclic number.

It is not a de Polignac number, because 26540352451 - 2⁹ = 26540351939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26540352451.

It is not an unprimeable number, because it can be changed into a prime (26540352481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2361321 + ... + 2372533.

It is an arithmetic number, because the mean of its divisors is an integer number (931950684).

Almost surely, 2^26540352451 is an apocalyptic number.

26540352451 is a deficient number, since it is larger than the sum of its proper divisors (3282069437).

26540352451 is a wasteful number, since it uses less digits than its factorization.

26540352451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11391.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 26540352451 in words is "twenty-six billion, five hundred forty million, three hundred fifty-two thousand, four hundred fifty-one".