552405040 has 40 divisors (see below), whose sum is σ = 1401102288. Its totient is φ = 200874240.

The previous prime is 552405019. The next prime is 552405059. The reversal of 552405040 is 40504255.

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

It is a junction number, because it is equal to n+sod(n) for n = 552404996 and 552405014.

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, 312987 + ... + 314746.

Almost surely, 2^552405040 is an apocalyptic number.

It is an amenable number.

552405040 is an abundant number, since it is smaller than the sum of its proper divisors (848697248).

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

552405040 is a wasteful number, since it uses less digits than its factorization.

552405040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627757 (or 627751 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 552405040 is about 23503.2984919139. The cubic root of 552405040 is about 820.5137767731.

Adding to 552405040 its reverse (40504255), we get a palindrome (592909295).

The spelling of 552405040 in words is "five hundred fifty-two million, four hundred five thousand, forty".