6445053342 has 96 divisors (see below), whose sum is σ = 17443625472. Its totient is φ = 1674395712.

The previous prime is 6445053341. The next prime is 6445053367. The reversal of 6445053342 is 2433505446.

6445053342 is a `hidden beast` number, since 644 + 5 + 0 + 5 + 3 + 3 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 6445053297 and 6445053306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6445053341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80383 + ... + 139109.

It is an arithmetic number, because the mean of its divisors is an integer number (181704432).

Almost surely, 2^6445053342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6445053342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8721812736).

6445053342 is an abundant number, since it is smaller than the sum of its proper divisors (10998572130).

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

6445053342 is a wasteful number, since it uses less digits than its factorization.

6445053342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58822 (or 58819 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The square root of 6445053342 is about 80281.0895665972. The cubic root of 6445053342 is about 1860.9819979331.

Adding to 6445053342 its reverse (2433505446), we get a palindrome (8878558788).

The spelling of 6445053342 in words is "six billion, four hundred forty-five million, fifty-three thousand, three hundred forty-two".