4032121044 has 48 divisors (see below), whose sum is σ = 10755938816. Its totient is φ = 1151647200.

The previous prime is 4032121039. The next prime is 4032121063. The reversal of 4032121044 is 4401212304.

It is a super-2 number, since 2×4032121044² = 32516000226935299872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 4032121044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324099 + ... + 336309.

Almost surely, 2^4032121044 is an apocalyptic number.

It is an amenable number.

4032121044 is an abundant number, since it is smaller than the sum of its proper divisors (6723817772).

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

4032121044 is a wasteful number, since it uses less digits than its factorization.

4032121044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16156 (or 16154 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4032121044 is about 63498.9845903066. The cubic root of 4032121044 is about 1591.6388102809.

Adding to 4032121044 its reverse (4401212304), we get a palindrome (8433333348).

The spelling of 4032121044 in words is "four billion, thirty-two million, one hundred twenty-one thousand, forty-four".