4043522140 has 36 divisors (see below), whose sum is σ = 9877749336. Its totient is φ = 1386350112.

The previous prime is 4043522129. The next prime is 4043522141. The reversal of 4043522140 is 412253404.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043522141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2062042 + ... + 2064001.

It is an arithmetic number, because the mean of its divisors is an integer number (274381926).

Almost surely, 2^4043522140 is an apocalyptic number.

It is an amenable number.

4043522140 is an abundant number, since it is smaller than the sum of its proper divisors (5834227196).

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

4043522140 is a wasteful number, since it uses less digits than its factorization.

4043522140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4126066 (or 4126057 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4043522140 is about 63588.6950644531. The cubic root of 4043522140 is about 1593.1375541657.

Adding to 4043522140 its reverse (412253404), we get a palindrome (4455775544).

The spelling of 4043522140 in words is "four billion, forty-three million, five hundred twenty-two thousand, one hundred forty".