2645041402 has 8 divisors (see below), whose sum is σ = 3967818912. Its totient is φ = 1322435100.

The previous prime is 2645041393. The next prime is 2645041403. The reversal of 2645041402 is 2041405462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2645041403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7777 + ... + 73147.

It is an arithmetic number, because the mean of its divisors is an integer number (495977364).

Almost surely, 2^2645041402 is an apocalyptic number.

2645041402 is a deficient number, since it is larger than the sum of its proper divisors (1322777510).

2645041402 is a wasteful number, since it uses less digits than its factorization.

2645041402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85604.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2645041402 is about 51429.9659926001. The cubic root of 2645041402 is about 1382.9638396650.

Adding to 2645041402 its reverse (2041405462), we get a palindrome (4686446864).

The spelling of 2645041402 in words is "two billion, six hundred forty-five million, forty-one thousand, four hundred two".