552739440 has 80 divisors (see below), whose sum is σ = 1869273216. Its totient is φ = 133996800.

The previous prime is 552739351. The next prime is 552739441. The reversal of 552739440 is 44937255.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552739441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102046 + ... + 107325.

Almost surely, 2^552739440 is an apocalyptic number.

It is an amenable number.

552739440 is an abundant number, since it is smaller than the sum of its proper divisors (1316533776).

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

552739440 is a wasteful number, since it uses less digits than its factorization.

552739440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209398 (or 209392 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 552739440 is about 23510.4113107364. The cubic root of 552739440 is about 820.6793101771.

The spelling of 552739440 in words is "five hundred fifty-two million, seven hundred thirty-nine thousand, four hundred forty".