2054503240 has 64 divisors (see below), whose sum is σ = 4697138160. Its totient is φ = 808611840.

The previous prime is 2054503147. The next prime is 2054503247. The reversal of 2054503240 is 423054502.

It can be written as a sum of positive squares in 8 ways, for example, as 1232992996 + 821510244 = 35114^2 + 28662^2 .

It is not an unprimeable number, because it can be changed into a prime (2054503247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2396892 + ... + 2397748.

Almost surely, 2^2054503240 is an apocalyptic number.

2054503240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2054503240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2348569080).

2054503240 is an abundant number, since it is smaller than the sum of its proper divisors (2642634920).

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

2054503240 is a wasteful number, since it uses less digits than its factorization.

2054503240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762 (or 1758 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2054503240 is about 45326.6283767059. The cubic root of 2054503240 is about 1271.2635944915.

Adding to 2054503240 its reverse (423054502), we get a palindrome (2477557742).

The spelling of 2054503240 in words is "two billion, fifty-four million, five hundred three thousand, two hundred forty".