2044640620212 has 24 divisors (see below), whose sum is σ = 4849038412512. Its totient is φ = 670373973600.

The previous prime is 2044640620181. The next prime is 2044640620213. The reversal of 2044640620212 is 2120260464402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044640620213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1396611714 + ... + 1396613177.

It is an arithmetic number, because the mean of its divisors is an integer number (202043267188).

Almost surely, 2^{2044640620212} is an apocalyptic number.

It is an amenable number.

2044640620212 is an abundant number, since it is smaller than the sum of its proper divisors (2804397792300).

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

2044640620212 is a wasteful number, since it uses less digits than its factorization.

2044640620212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793224959 (or 2793224957 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 2044640620212 in words is "two trillion, forty-four billion, six hundred forty million, six hundred twenty thousand, two hundred twelve".