2052144240 has 80 divisors (see below), whose sum is σ = 6451301376. Its totient is φ = 539526400.

The previous prime is 2052144223. The next prime is 2052144271. The reversal of 2052144240 is 424412502.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2052144240² = 8422591963530355200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2052144240.

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, 43176 + ... + 77255.

Almost surely, 2^2052144240 is an apocalyptic number.

2052144240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2052144240 is an abundant number, since it is smaller than the sum of its proper divisors (4399157136).

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

2052144240 is a wasteful number, since it uses less digits than its factorization.

2052144240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120518 (or 120512 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 2052144240 is about 45300.5986715408. The cubic root of 2052144240 is about 1270.7768491984.

Adding to 2052144240 its reverse (424412502), we get a palindrome (2476556742).

The spelling of 2052144240 in words is "two billion, fifty-two million, one hundred forty-four thousand, two hundred forty".