2150646444 has 24 divisors (see below), whose sum is σ = 5575750320. Its totient is φ = 716882112.

The previous prime is 2150646427. The next prime is 2150646451. The reversal of 2150646444 is 4446460512.

2150646444 is a `hidden beast` number, since 2 + 1 + 5 + 0 + 6 + 4 + 644 + 4 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2150646399 and 2150646408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9956589 + ... + 9956804.

It is an arithmetic number, because the mean of its divisors is an integer number (232322930).

Almost surely, 2^2150646444 is an apocalyptic number.

It is an amenable number.

2150646444 is an abundant number, since it is smaller than the sum of its proper divisors (3425103876).

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

2150646444 is a wasteful number, since it uses less digits than its factorization.

2150646444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19913406 (or 19913398 counting only the distinct ones).

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

The square root of 2150646444 is about 46375.0627385020. The cubic root of 2150646444 is about 1290.7922229482.

The spelling of 2150646444 in words is "two billion, one hundred fifty million, six hundred forty-six thousand, four hundred forty-four".