552401440 has 48 divisors (see below), whose sum is σ = 1373742720. Its totient is φ = 209329920.

The previous prime is 552401411. The next prime is 552401471. The reversal of 552401440 is 44104255.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87816 + ... + 93895.

It is an arithmetic number, because the mean of its divisors is an integer number (28619640).

Almost surely, 2^552401440 is an apocalyptic number.

It is an amenable number.

552401440 is an abundant number, since it is smaller than the sum of its proper divisors (821341280).

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

552401440 is a wasteful number, since it uses less digits than its factorization.

552401440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181745 (or 181737 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 552401440 is about 23503.2219067940. The cubic root of 552401440 is about 820.5119943515.

Adding to 552401440 its reverse (44104255), we get a palindrome (596505695).

The spelling of 552401440 in words is "five hundred fifty-two million, four hundred one thousand, four hundred forty".