2646044042 has 8 divisors (see below), whose sum is σ = 4105930500. Its totient is φ = 1277400544.

The previous prime is 2646044041. The next prime is 2646044059. The reversal of 2646044042 is 2404406462.

It can be written as a sum of positive squares in 2 ways, for example, as 2470984681 + 175059361 = 49709^2 + 13231^2 .

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 (2646044041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 22810667 + ... + 22810782.

Almost surely, 2^2646044042 is an apocalyptic number.

2646044042 is a deficient number, since it is larger than the sum of its proper divisors (1459886458).

2646044042 is a wasteful number, since it uses less digits than its factorization.

2646044042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45621480.

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 2646044042 is about 51439.7126935989. The cubic root of 2646044042 is about 1383.1385615294.

The spelling of 2646044042 in words is "two billion, six hundred forty-six million, forty-four thousand, forty-two".