2036434644 has 36 divisors (see below), whose sum is σ = 5153564416. Its totient is φ = 678032208.

The previous prime is 2036434643. The next prime is 2036434663. The reversal of 2036434644 is 4464346302.

2036434644 is a `hidden beast` number, since 2 + 0 + 3 + 6 + 4 + 3 + 4 + 644 = 666.

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 junction number, because it is equal to n+sod(n) for n = 2036434599 and 2036434608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2036434643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244 + ... + 63819.

Almost surely, 2^2036434644 is an apocalyptic number.

It is an amenable number.

2036434644 is an abundant number, since it is smaller than the sum of its proper divisors (3117129772).

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

2036434644 is a wasteful number, since it uses less digits than its factorization.

2036434644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64956 (or 64951 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

The square root of 2036434644 is about 45126.8727478428. The cubic root of 2036434644 is about 1267.5258512753.

The spelling of 2036434644 in words is "two billion, thirty-six million, four hundred thirty-four thousand, six hundred forty-four".