2026266660 has 72 divisors (see below), whose sum is σ = 6705107136. Its totient is φ = 491215680.

The previous prime is 2026266653. The next prime is 2026266661. The reversal of 2026266660 is 666626202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2026266661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 509704 + ... + 513663.

It is an arithmetic number, because the mean of its divisors is an integer number (93126488).

Almost surely, 2^2026266660 is an apocalyptic number.

2026266660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2026266660 is an abundant number, since it is smaller than the sum of its proper divisors (4678840476).

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

2026266660 is a wasteful number, since it uses less digits than its factorization.

2026266660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023393 (or 1023388 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 2026266660 is about 45014.0717998272. The cubic root of 2026266660 is about 1265.4127312227.

The spelling of 2026266660 in words is "two billion, twenty-six million, two hundred sixty-six thousand, six hundred sixty".