2645441460 has 36 divisors (see below), whose sum is σ = 8024506308. Its totient is φ = 705451008.

The previous prime is 2645441443. The next prime is 2645441471. The reversal of 2645441460 is 641445462.

2645441460 is a `hidden beast` number, since 2 + 645 + 4 + 4 + 1 + 4 + 6 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 540283536 + 2105157924 = 23244^2 + 45882^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7348269 + ... + 7348628.

It is an arithmetic number, because the mean of its divisors is an integer number (222902953).

Almost surely, 2^2645441460 is an apocalyptic number.

2645441460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2645441460 is an abundant number, since it is smaller than the sum of its proper divisors (5379064848).

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

2645441460 is a wasteful number, since it uses less digits than its factorization.

2645441460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14696912 (or 14696907 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 2645441460 is about 51433.8551928591. The cubic root of 2645441460 is about 1383.0335597906.

The spelling of 2645441460 in words is "two billion, six hundred forty-five million, four hundred forty-one thousand, four hundred sixty".