4052643672 has 128 divisors (see below), whose sum is σ = 12664051200. Its totient is φ = 1049932800.

The previous prime is 4052643649. The next prime is 4052643689. The reversal of 4052643672 is 2763462504.

It is a self number, because there is not a number n which added to its sum of digits gives 4052643672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 775404 + ... + 780612.

It is an arithmetic number, because the mean of its divisors is an integer number (98937900).

Almost surely, 2^4052643672 is an apocalyptic number.

4052643672 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4052643672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6332025600).

4052643672 is an abundant number, since it is smaller than the sum of its proper divisors (8611407528).

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

4052643672 is a wasteful number, since it uses less digits than its factorization.

4052643672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657 (or 5653 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 39.

The square root of 4052643672 is about 63660.3775672121. The cubic root of 4052643672 is about 1594.3346080526.

The spelling of 4052643672 in words is "four billion, fifty-two million, six hundred forty-three thousand, six hundred seventy-two".