2620260872 has 8 divisors (see below), whose sum is σ = 4912989150. Its totient is φ = 1310130432.

The previous prime is 2620260869. The next prime is 2620260883. The reversal of 2620260872 is 2780620262.

It can be written as a sum of positive squares in only one way, i.e., 2255680036 + 364580836 = 47494^2 + 19094^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163766297 + ... + 163766312.

Almost surely, 2^2620260872 is an apocalyptic number.

It is an amenable number.

2620260872 is a deficient number, since it is larger than the sum of its proper divisors (2292728278).

2620260872 is a wasteful number, since it uses less digits than its factorization.

2620260872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327532615 (or 327532611 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 2620260872 is about 51188.4837829760. The cubic root of 2620260872 is about 1378.6314360566.

The spelling of 2620260872 in words is "two billion, six hundred twenty million, two hundred sixty thousand, eight hundred seventy-two".