552000440 has 32 divisors (see below), whose sum is σ = 1247492880. Its totient is φ = 219823872.

The previous prime is 552000409. The next prime is 552000457. The reversal of 552000440 is 44000255.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 21317 + ... + 39476.

Almost surely, 2^552000440 is an apocalyptic number.

It is an amenable number.

552000440 is an abundant number, since it is smaller than the sum of its proper divisors (695492440).

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

552000440 is a wasteful number, since it uses less digits than its factorization.

552000440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61031 (or 61027 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 552000440 is about 23494.6896127614. The cubic root of 552000440 is about 820.3134038980.

Adding to 552000440 its reverse (44000255), we get a palindrome (596000695).

The spelling of 552000440 in words is "five hundred fifty-two million, four hundred forty", and thus it is an aban number.