2289264660 has 48 divisors (see below), whose sum is σ = 7122158400. Its totient is φ = 610470432.

The previous prime is 2289264631. The next prime is 2289264667. The reversal of 2289264660 is 664629822.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289264667) 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, 2119150 + ... + 2120229.

It is an arithmetic number, because the mean of its divisors is an integer number (148378300).

Almost surely, 2^2289264660 is an apocalyptic number.

2289264660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2289264660 is an abundant number, since it is smaller than the sum of its proper divisors (4832893740).

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

2289264660 is a wasteful number, since it uses less digits than its factorization.

2289264660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239397 (or 4239389 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 2289264660 is about 47846.2606689384. The cubic root of 2289264660 is about 1317.9491914591.

It can be divided in two parts, 228926 and 4660, that added together give a triangular number (233586 = T₆₈₃).

The spelling of 2289264660 in words is "two billion, two hundred eighty-nine million, two hundred sixty-four thousand, six hundred sixty".