2602664242 has 4 divisors (see below), whose sum is σ = 3903996366. Its totient is φ = 1301332120.

The previous prime is 2602664219. The next prime is 2602664261. The reversal of 2602664242 is 2424662062.

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., 2600898001 + 1766241 = 50999^2 + 1329^2 .

It is a super-2 number, since 2×2602664242² = 13547722313170869128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2602664198 and 2602664207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650666059 + ... + 650666062.

Almost surely, 2^2602664242 is an apocalyptic number.

2602664242 is a deficient number, since it is larger than the sum of its proper divisors (1301332124).

2602664242 is a wasteful number, since it uses less digits than its factorization.

2602664242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301332123.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 2602664242 is about 51016.3134889223. The cubic root of 2602664242 is about 1375.5383883043.

The spelling of 2602664242 in words is "two billion, six hundred two million, six hundred sixty-four thousand, two hundred forty-two".