1440368 has 10 divisors (see below), whose sum is σ = 2790744. Its totient is φ = 720176.

The previous prime is 1440349. The next prime is 1440379. The reversal of 1440368 is 8630441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44996 + ... + 45027.

2^1440368 is an apocalyptic number.

It is an amenable number.

1440368 is a deficient number, since it is larger than the sum of its proper divisors (1350376).

1440368 is an equidigital number, since it uses as much as digits as its factorization.

1440368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90031 (or 90025 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1440368 is about 1200.1533235383. The cubic root of 1440368 is about 112.9339421258.

The spelling of 1440368 in words is "one million, four hundred forty thousand, three hundred sixty-eight".