4026561553360 has 20 divisors (see below), whose sum is σ = 9361755611748. Its totient is φ = 1610624621312.

The previous prime is 4026561553321. The next prime is 4026561553363. The reversal of 4026561553360 is 633551656204.

It can be written as a sum of positive squares in 2 ways, for example, as 2026158658624 + 2000402894736 = 1423432^2 + 1414356^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×4026561553360² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4026561553360.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4026561553363) 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 3 ways as a sum of consecutive naturals, for example, 25166009629 + ... + 25166009788.

Almost surely, 2^{4026561553360} is an apocalyptic number.

4026561553360 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4026561553360 is an abundant number, since it is smaller than the sum of its proper divisors (5335194058388).

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

4026561553360 is a wasteful number, since it uses less digits than its factorization.

4026561553360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50332019430 (or 50332019424 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 46.

The spelling of 4026561553360 in words is "four trillion, twenty-six billion, five hundred sixty-one million, five hundred fifty-three thousand, three hundred sixty".