4055020672 has 64 divisors (see below), whose sum is σ = 8254949760. Its totient is φ = 1983421440.

The previous prime is 4055020639. The next prime is 4055020691. The reversal of 4055020672 is 2760205504.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3140347 + ... + 3141637.

It is an arithmetic number, because the mean of its divisors is an integer number (128983590).

Almost surely, 2^4055020672 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 4055020672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4127474880).

4055020672 is an abundant number, since it is smaller than the sum of its proper divisors (4199929088).

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

4055020672 is a wasteful number, since it uses less digits than its factorization.

4055020672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821 (or 1809 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 4055020672 is about 63679.0442139327. The cubic root of 4055020672 is about 1594.6462558706.

The spelling of 4055020672 in words is "four billion, fifty-five million, twenty thousand, six hundred seventy-two".