2036645838 has 12 divisors (see below), whose sum is σ = 4412732688. Its totient is φ = 678881940.

The previous prime is 2036645827. The next prime is 2036645869. The reversal of 2036645838 is 8385466302.

It is a happy number.

2036645838 is a `hidden beast` number, since 2 + 0 + 3 + 6 + 64 + 583 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2036645793 and 2036645802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56573478 + ... + 56573513.

It is an arithmetic number, because the mean of its divisors is an integer number (367727724).

Almost surely, 2^2036645838 is an apocalyptic number.

2036645838 is an abundant number, since it is smaller than the sum of its proper divisors (2376086850).

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

2036645838 is a wasteful number, since it uses less digits than its factorization.

2036645838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113146999 (or 113146996 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 2036645838 is about 45129.2126897866. The cubic root of 2036645838 is about 1267.5696671673.

The spelling of 2036645838 in words is "two billion, thirty-six million, six hundred forty-five thousand, eight hundred thirty-eight".