5445252440 has 32 divisors (see below), whose sum is σ = 12255436080. Its totient is φ = 2177457792.

The previous prime is 5445252377. The next prime is 5445252443. The reversal of 5445252440 is 442525445.

It is a self number, because there is not a number n which added to its sum of digits gives 5445252440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445252443) 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, 131087 + ... + 167553.

Almost surely, 2^5445252440 is an apocalyptic number.

It is an amenable number.

5445252440 is an abundant number, since it is smaller than the sum of its proper divisors (6810183640).

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

5445252440 is a wasteful number, since it uses less digits than its factorization.

5445252440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40211 (or 40207 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 35.

The square root of 5445252440 is about 73791.9537619109. The cubic root of 5445252440 is about 1759.2977182606.

Adding to 5445252440 its reverse (442525445), we get a palindrome (5887777885).

The spelling of 5445252440 in words is "five billion, four hundred forty-five million, two hundred fifty-two thousand, four hundred forty".