26018336424420 has 72 divisors (see below), whose sum is σ = 78925264137720. Its totient is φ = 6937961333760.

The previous prime is 26018336424413. The next prime is 26018336424469. The reversal of 26018336424420 is 2442463381062.

26018336424420 is a `hidden beast` number, since 2 + 6 + 0 + 183 + 3 + 6 + 42 + 4 + 420 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2440475088804 + 23577861335616 = 1562202^2 + 4855704^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2082526 + ... + 7508234.

It is an arithmetic number, because the mean of its divisors is an integer number (1096184224135).

Almost surely, 2^{26018336424420} is an apocalyptic number.

26018336424420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26018336424420 is an abundant number, since it is smaller than the sum of its proper divisors (52906927713300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26018336424420 is a wasteful number, since it uses less digits than its factorization.

26018336424420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452365 (or 5452360 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 26018336424420 in words is "twenty-six trillion, eighteen billion, three hundred thirty-six million, four hundred twenty-four thousand, four hundred twenty".