4205212144 has 60 divisors (see below), whose sum is σ = 9633302328. Its totient is φ = 1772668800.

The previous prime is 4205212117. The next prime is 4205212159. The reversal of 4205212144 is 4412125024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3859 + ... + 91789.

Almost surely, 2^4205212144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4205212144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4816651164).

4205212144 is an abundant number, since it is smaller than the sum of its proper divisors (5428090184).

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

4205212144 is a wasteful number, since it uses less digits than its factorization.

4205212144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88014 (or 88001 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4205212144 is about 64847.6070799841. The cubic root of 4205212144 is about 1614.0957846097.

Adding to 4205212144 its reverse (4412125024), we get a palindrome (8617337168).

The spelling of 4205212144 in words is "four billion, two hundred five million, two hundred twelve thousand, one hundred forty-four".