2265066780 has 48 divisors (see below), whose sum is σ = 6365635584. Its totient is φ = 601784640.

The previous prime is 2265066773. The next prime is 2265066781. The reversal of 2265066780 is 876605622.

It is a super-3 number, since 3×2265066780³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265066781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53392 + ... + 85911.

It is an arithmetic number, because the mean of its divisors is an integer number (132617408).

Almost surely, 2^2265066780 is an apocalyptic number.

2265066780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2265066780 is an abundant number, since it is smaller than the sum of its proper divisors (4100568804).

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

2265066780 is a wasteful number, since it uses less digits than its factorization.

2265066780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139586 (or 139584 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 2265066780 is about 47592.7177202563. The cubic root of 2265066780 is about 1313.2890913890.

The spelling of 2265066780 in words is "two billion, two hundred sixty-five million, sixty-six thousand, seven hundred eighty".