1440452 has 12 divisors (see below), whose sum is σ = 2714796. Its totient is φ = 664800.

The previous prime is 1440449. The next prime is 1440469. The reversal of 1440452 is 2540441.

It can be written as a sum of positive squares in 2 ways, for example, as 391876 + 1048576 = 626^2 + 1024^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13799 + ... + 13902.

It is an arithmetic number, because the mean of its divisors is an integer number (226233).

2^1440452 is an apocalyptic number.

It is an amenable number.

1440452 is a deficient number, since it is larger than the sum of its proper divisors (1274344).

1440452 is a wasteful number, since it uses less digits than its factorization.

1440452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27718 (or 27716 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1440452 is about 1200.1883185567. The cubic root of 1440452 is about 112.9361374599.

Adding to 1440452 its reverse (2540441), we get a palindrome (3980893).

The spelling of 1440452 in words is "one million, four hundred forty thousand, four hundred fifty-two".