4001205052 has 24 divisors (see below), whose sum is σ = 7800760800. Its totient is φ = 1783029696.

The previous prime is 4001205037. The next prime is 4001205059. The reversal of 4001205052 is 2505021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001205059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1325152 + ... + 1328167.

It is an arithmetic number, because the mean of its divisors is an integer number (325031700).

Almost surely, 2^4001205052 is an apocalyptic number.

It is an amenable number.

4001205052 is a deficient number, since it is larger than the sum of its proper divisors (3799555748).

4001205052 is a wasteful number, since it uses less digits than its factorization.

4001205052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653365 (or 2653363 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 4001205052 is about 63255.0792585070. The cubic root of 4001205052 is about 1587.5604443640.

Adding to 4001205052 its reverse (2505021004), we get a palindrome (6506226056).

The spelling of 4001205052 in words is "four billion, one million, two hundred five thousand, fifty-two".