2664342740 has 24 divisors (see below), whose sum is σ = 5775608832. Its totient is φ = 1031358240.

The previous prime is 2664342727. The next prime is 2664342749. The reversal of 2664342740 is 472434662.

It is a junction number, because it is equal to n+sod(n) for n = 2664342694 and 2664342703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664342749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2148044 + ... + 2149283.

It is an arithmetic number, because the mean of its divisors is an integer number (240650368).

Almost surely, 2^2664342740 is an apocalyptic number.

2664342740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2664342740 is an abundant number, since it is smaller than the sum of its proper divisors (3111266092).

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

2664342740 is a wasteful number, since it uses less digits than its factorization.

2664342740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4297367 (or 4297365 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 38.

The square root of 2664342740 is about 51617.2717217793. The cubic root of 2664342740 is about 1386.3196014373.

The spelling of 2664342740 in words is "two billion, six hundred sixty-four million, three hundred forty-two thousand, seven hundred forty".