552444440 has 32 divisors (see below), whose sum is σ = 1266457680. Its totient is φ = 216807552.

The previous prime is 552444419. The next prime is 552444463. The reversal of 552444440 is 44444255.

It is a junction number, because it is equal to n+sod(n) for n = 552444397 and 552444406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128174 + ... + 132413.

Almost surely, 2^552444440 is an apocalyptic number.

It is an amenable number.

552444440 is an abundant number, since it is smaller than the sum of its proper divisors (714013240).

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

552444440 is a wasteful number, since it uses less digits than its factorization.

552444440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260651 (or 260647 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 32.

The square root of 552444440 is about 23504.1366571929. The cubic root of 552444440 is about 820.5332838810.

Adding to 552444440 its reverse (44444255), we get a palindrome (596888695).

The spelling of 552444440 in words is "five hundred fifty-two million, four hundred forty-four thousand, four hundred forty".