2025503440 has 40 divisors (see below), whose sum is σ = 4717677960. Its totient is φ = 808759296.

The previous prime is 2025503423. The next prime is 2025503449. The reversal of 2025503440 is 443055202.

It can be written as a sum of positive squares in 4 ways, for example, as 98644624 + 1926858816 = 9932^2 + 43896^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×2025503440³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025503449) 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 7 ways as a sum of consecutive naturals, for example, 23272 + ... + 67768.

It is an arithmetic number, because the mean of its divisors is an integer number (117941949).

Almost surely, 2^2025503440 is an apocalyptic number.

2025503440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2025503440 is an abundant number, since it is smaller than the sum of its proper divisors (2692174520).

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

2025503440 is a wasteful number, since it uses less digits than its factorization.

2025503440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45079 (or 45073 counting only the distinct ones).

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

The square root of 2025503440 is about 45005.5934301504. The cubic root of 2025503440 is about 1265.2538331520.

Adding to 2025503440 its reverse (443055202), we get a palindrome (2468558642).

The spelling of 2025503440 in words is "two billion, twenty-five million, five hundred three thousand, four hundred forty".