2065436442 has 64 divisors (see below), whose sum is σ = 4754534400. Its totient is φ = 663934320.

The previous prime is 2065436441. The next prime is 2065436519. The reversal of 2065436442 is 2446345602.

2065436442 is a `hidden beast` number, since 2 + 0 + 6 + 5 + 4 + 3 + 644 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2065436397 and 2065436406.

It is not an unprimeable number, because it can be changed into a prime (2065436441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511909 + ... + 515927.

It is an arithmetic number, because the mean of its divisors is an integer number (74289600).

Almost surely, 2^2065436442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2065436442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2377267200).

2065436442 is an abundant number, since it is smaller than the sum of its proper divisors (2689097958).

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

2065436442 is a wasteful number, since it uses less digits than its factorization.

2065436442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4368 (or 4362 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The square root of 2065436442 is about 45447.0729750553. The cubic root of 2065436442 is about 1273.5146495059.

The spelling of 2065436442 in words is "two billion, sixty-five million, four hundred thirty-six thousand, four hundred forty-two".