2026408660240 has 40 divisors (see below), whose sum is σ = 4711477832280. Its totient is φ = 810550096896.

The previous prime is 2026408660169. The next prime is 2026408660249. The reversal of 2026408660240 is 420668046202.

It can be written as a sum of positive squares in 4 ways, for example, as 60714931216 + 1965693729024 = 246404^2 + 1402032^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 2026408660193 and 2026408660202.

It is not an unprimeable number, because it can be changed into a prime (2026408660249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5716662 + ... + 6060778.

It is an arithmetic number, because the mean of its divisors is an integer number (117786945807).

Almost surely, 2^{2026408660240} is an apocalyptic number.

2026408660240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2026408660240 is an abundant number, since it is smaller than the sum of its proper divisors (2685069172040).

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

2026408660240 is a wasteful number, since it uses less digits than its factorization.

2026408660240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417739 (or 417733 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The spelling of 2026408660240 in words is "two trillion, twenty-six billion, four hundred eight million, six hundred sixty thousand, two hundred forty".