2601640472 has 8 divisors (see below), whose sum is σ = 4878075900. Its totient is φ = 1300820232.

The previous prime is 2601640463. The next prime is 2601640477. The reversal of 2601640472 is 2740461062.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2601640477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162602522 + ... + 162602537.

Almost surely, 2^2601640472 is an apocalyptic number.

It is an amenable number.

2601640472 is a deficient number, since it is larger than the sum of its proper divisors (2276435428).

2601640472 is a wasteful number, since it uses less digits than its factorization.

2601640472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325205065 (or 325205061 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 2601640472 is about 51006.2787507577. The cubic root of 2601640472 is about 1375.3580065249.

The spelling of 2601640472 in words is "two billion, six hundred one million, six hundred forty thousand, four hundred seventy-two".