2664401952 has 24 divisors (see below), whose sum is σ = 6994055376. Its totient is φ = 888133952.

The previous prime is 2664401911. The next prime is 2664401963. The reversal of 2664401952 is 2591044662.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2664401952.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13876998 + ... + 13877189.

It is an arithmetic number, because the mean of its divisors is an integer number (291418974).

Almost surely, 2^2664401952 is an apocalyptic number.

It is an amenable number.

2664401952 is an abundant number, since it is smaller than the sum of its proper divisors (4329653424).

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

2664401952 is a wasteful number, since it uses less digits than its factorization.

2664401952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27754200 (or 27754192 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 2664401952 is about 51617.8452862961. The cubic root of 2664401952 is about 1386.3298711556.

The spelling of 2664401952 in words is "two billion, six hundred sixty-four million, four hundred one thousand, nine hundred fifty-two".