1440552 has 32 divisors (see below), whose sum is σ = 3631680. Its totient is φ = 476160.

The previous prime is 1440533. The next prime is 1440553. The reversal of 1440552 is 2550441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4477 + ... + 4787.

It is an arithmetic number, because the mean of its divisors is an integer number (113490).

2^1440552 is an apocalyptic number.

1440552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1440552 is an abundant number, since it is smaller than the sum of its proper divisors (2191128).

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

1440552 is a wasteful number, since it uses less digits than its factorization.

1440552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1440552 is about 1200.2299779626. The cubic root of 1440552 is about 112.9387508415.

Adding to 1440552 its reverse (2550441), we get a palindrome (3990993).

The spelling of 1440552 in words is "one million, four hundred forty thousand, five hundred fifty-two".