2645272032 has 48 divisors (see below), whose sum is σ = 7477984080. Its totient is φ = 813929472.

The previous prime is 2645271997. The next prime is 2645272057. The reversal of 2645272032 is 2302725462.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 2645271984 and 2645272002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1058557 + ... + 1061052.

It is an arithmetic number, because the mean of its divisors is an integer number (155791335).

Almost surely, 2^2645272032 is an apocalyptic number.

It is an amenable number.

2645272032 is an abundant number, since it is smaller than the sum of its proper divisors (4832712048).

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

2645272032 is a wasteful number, since it uses less digits than its factorization.

2645272032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119635 (or 2119627 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 2645272032 is about 51432.2081190376. The cubic root of 2645272032 is about 1383.0040335766.

Adding to 2645272032 its reverse (2302725462), we get a palindrome (4947997494).

The spelling of 2645272032 in words is "two billion, six hundred forty-five million, two hundred seventy-two thousand, thirty-two".