2664261404 has 12 divisors (see below), whose sum is σ = 5328522864. Its totient is φ = 1141826304.

The previous prime is 2664261371. The next prime is 2664261409. The reversal of 2664261404 is 4041624662.

2664261404 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664261409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47576069 + ... + 47576124.

It is an arithmetic number, because the mean of its divisors is an integer number (444043572).

Almost surely, 2^2664261404 is an apocalyptic number.

It is an amenable number.

2664261404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2664261404 is a wasteful number, since it uses less digits than its factorization.

2664261404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95152204 (or 95152202 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 2664261404 is about 51616.4838399517. The cubic root of 2664261404 is about 1386.3054942885.

The spelling of 2664261404 in words is "two billion, six hundred sixty-four million, two hundred sixty-one thousand, four hundred four".