2663465340 has 24 divisors (see below), whose sum is σ = 7457703120. Its totient is φ = 710257408.

The previous prime is 2663465323. The next prime is 2663465359. The reversal of 2663465340 is 435643662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22195485 + ... + 22195604.

It is an arithmetic number, because the mean of its divisors is an integer number (310737630).

Almost surely, 2^2663465340 is an apocalyptic number.

2663465340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2663465340 is an abundant number, since it is smaller than the sum of its proper divisors (4794237780).

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

2663465340 is a wasteful number, since it uses less digits than its factorization.

2663465340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44391101 (or 44391099 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 39.

The square root of 2663465340 is about 51608.7719288107. The cubic root of 2663465340 is about 1386.1674075091.

The spelling of 2663465340 in words is "two billion, six hundred sixty-three million, four hundred sixty-five thousand, three hundred forty".