552343440 has 80 divisors (see below), whose sum is σ = 1867934016. Its totient is φ = 133900800.

The previous prime is 552343423. The next prime is 552343487. The reversal of 552343440 is 44343255.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×552343440² = 610166551422067200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 552343398 and 552343407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101971 + ... + 107250.

Almost surely, 2^552343440 is an apocalyptic number.

It is an amenable number.

552343440 is an abundant number, since it is smaller than the sum of its proper divisors (1315590576).

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

552343440 is a wasteful number, since it uses less digits than its factorization.

552343440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209248 (or 209242 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 552343440 is about 23501.9880010181. The cubic root of 552343440 is about 820.4832764916.

Adding to 552343440 its reverse (44343255), we get a palindrome (596686695).

The spelling of 552343440 in words is "five hundred fifty-two million, three hundred forty-three thousand, four hundred forty".