2664624002 has 4 divisors (see below), whose sum is σ = 3996936006. Its totient is φ = 1332312000.

The previous prime is 2664623993. The next prime is 2664624019. The reversal of 2664624002 is 2004264662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1350489001 + 1314135001 = 36749^2 + 36251^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2664624002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666155999 + ... + 666156002.

Almost surely, 2^2664624002 is an apocalyptic number.

2664624002 is a deficient number, since it is larger than the sum of its proper divisors (1332312004).

2664624002 is a wasteful number, since it uses less digits than its factorization.

2664624002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332312003.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 2664624002 is about 51619.9961449049. The cubic root of 2664624002 is about 1386.3683821113.

Adding to 2664624002 its reverse (2004264662), we get a palindrome (4668888664).

The spelling of 2664624002 in words is "two billion, six hundred sixty-four million, six hundred twenty-four thousand, two".