562440 has 64 divisors (see below), whose sum is σ = 1742400. Its totient is φ = 145152.

The previous prime is 562439. The next prime is 562459. The reversal of 562440 is 44265.

562440 = T₆ + T₇ + ... + T₁₄₉.

It is a happy number.

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, 5106 + ... + 5214.

It is an arithmetic number, because the mean of its divisors is an integer number (27225).

2⁵⁶²⁴⁴⁰ 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 562440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (871200).

562440 is an abundant number, since it is smaller than the sum of its proper divisors (1179960).

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

562440 is a wasteful number, since it uses less digits than its factorization.

562440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 562440 is about 749.9599989333. The cubic root of 562440 is about 82.5452460716.

The spelling of 562440 in words is "five hundred sixty-two thousand, four hundred forty".