4021143532 has 24 divisors (see below), whose sum is σ = 8132654880. Its totient is φ = 1703982720.

The previous prime is 4021143523. The next prime is 4021143547. The reversal of 4021143532 is 2353411204.

It is a junction number, because it is equal to n+sod(n) for n = 4021143497 and 4021143506.

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, 804319 + ... + 809302.

It is an arithmetic number, because the mean of its divisors is an integer number (338860620).

Almost surely, 2^4021143532 is an apocalyptic number.

It is an amenable number.

4021143532 is an abundant number, since it is smaller than the sum of its proper divisors (4111511348).

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

4021143532 is a wasteful number, since it uses less digits than its factorization.

4021143532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613721 (or 1613719 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 4021143532 is about 63412.4871929812. The cubic root of 4021143532 is about 1590.1930770372.

Adding to 4021143532 its reverse (2353411204), we get a palindrome (6374554736).

The spelling of 4021143532 in words is "four billion, twenty-one million, one hundred forty-three thousand, five hundred thirty-two".