26540484465 has 32 divisors (see below), whose sum is σ = 46593035136. Its totient is φ = 12793717760.

The previous prime is 26540484463. The next prime is 26540484469. The reversal of 26540484465 is 56448404562.

It is not a de Polignac number, because 26540484465 - 2¹ = 26540484463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26540484463) 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, 436344 + ... + 493433.

It is an arithmetic number, because the mean of its divisors is an integer number (1456032348).

Almost surely, 2^26540484465 is an apocalyptic number.

It is an amenable number.

26540484465 is a deficient number, since it is larger than the sum of its proper divisors (20052550671).

26540484465 is a wasteful number, since it uses less digits than its factorization.

26540484465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929969.

The product of its (nonzero) digits is 3686400, while the sum is 48.

The spelling of 26540484465 in words is "twenty-six billion, five hundred forty million, four hundred eighty-four thousand, four hundred sixty-five".