26440335454 has 16 divisors (see below), whose sum is σ = 42967074528. Its totient is φ = 12130156512.

The previous prime is 26440335451. The next prime is 26440335479. The reversal of 26440335454 is 45453304462.

It is a super-2 number, since 2×26440335454² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26440335451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3040377 + ... + 3049060.

It is an arithmetic number, because the mean of its divisors is an integer number (2685442158).

Almost surely, 2^26440335454 is an apocalyptic number.

26440335454 is a deficient number, since it is larger than the sum of its proper divisors (16526739074).

26440335454 is a wasteful number, since it uses less digits than its factorization.

26440335454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6089619.

The product of its (nonzero) digits is 691200, while the sum is 40.

The spelling of 26440335454 in words is "twenty-six billion, four hundred forty million, three hundred thirty-five thousand, four hundred fifty-four".