552277440 has 560 divisors, whose sum is σ = 2323490400. Its totient is φ = 122757120.

The previous prime is 552277433. The next prime is 552277457. The reversal of 552277440 is 44772255.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 552277395 and 552277404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3706486 + ... + 3706634.

It is an arithmetic number, because the mean of its divisors is an integer number (4149090).

Almost surely, 2^552277440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552277440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161745200).

552277440 is an abundant number, since it is smaller than the sum of its proper divisors (1771212960).

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

552277440 is a wasteful number, since it uses less digits than its factorization.

552277440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 552277440 is about 23500.5838225351. The cubic root of 552277440 is about 820.4505951022.

The spelling of 552277440 in words is "five hundred fifty-two million, two hundred seventy-seven thousand, four hundred forty".