4020140550 has 96 divisors (see below), whose sum is σ = 10097639424. Its totient is φ = 1058400000.

The previous prime is 4020140533. The next prime is 4020140561. The reversal of 4020140550 is 550410204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5352675 + ... + 5353425.

It is an arithmetic number, because the mean of its divisors is an integer number (105183744).

Almost surely, 2^4020140550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4020140550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5048819712).

4020140550 is an abundant number, since it is smaller than the sum of its proper divisors (6077498874).

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

4020140550 is a wasteful number, since it uses less digits than its factorization.

4020140550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174 (or 1169 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 4020140550 is about 63404.5783047250. The cubic root of 4020140550 is about 1590.0608536497.

Adding to 4020140550 its reverse (550410204), we get a palindrome (4570550754).

The spelling of 4020140550 in words is "four billion, twenty million, one hundred forty thousand, five hundred fifty".