26020222240 has 48 divisors (see below), whose sum is σ = 61666815672. Its totient is φ = 10375235584.

The previous prime is 26020222237. The next prime is 26020222243. The reversal of 26020222240 is 4222202062.

It is an interprime number because it is at equal distance from previous prime (26020222237) and next prime (26020222243).

It can be written as a sum of positive squares in 4 ways, for example, as 22604521104 + 3415701136 = 150348^2 + 58444^2 .

It is not an unprimeable number, because it can be changed into a prime (26020222243) 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, 205789 + ... + 307228.

Almost surely, 2^26020222240 is an apocalyptic number.

26020222240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26020222240 is an abundant number, since it is smaller than the sum of its proper divisors (35646593432).

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

26020222240 is a wasteful number, since it uses less digits than its factorization.

26020222240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513349 (or 513341 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The spelling of 26020222240 in words is "twenty-six billion, twenty million, two hundred twenty-two thousand, two hundred forty".