2669600440 has 64 divisors (see below), whose sum is σ = 6849178560. Its totient is φ = 927713280.

The previous prime is 2669600429. The next prime is 2669600441. The reversal of 2669600440 is 440069662.

It is a self number, because there is not a number n which added to its sum of digits gives 2669600440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2669600441) 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, 142156 + ... + 159835.

It is an arithmetic number, because the mean of its divisors is an integer number (107018415).

Almost surely, 2^2669600440 is an apocalyptic number.

2669600440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2669600440 is an abundant number, since it is smaller than the sum of its proper divisors (4179578120).

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

2669600440 is a wasteful number, since it uses less digits than its factorization.

2669600440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302032 (or 302028 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 2669600440 is about 51668.1762790211. The cubic root of 2669600440 is about 1387.2309035264.

The spelling of 2669600440 in words is "two billion, six hundred sixty-nine million, six hundred thousand, four hundred forty".