1440022748 has 6 divisors (see below), whose sum is σ = 2520039816. Its totient is φ = 720011372.

The previous prime is 1440022733. The next prime is 1440022769. The reversal of 1440022748 is 8472200441.

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, 180002840 + ... + 180002847.

It is an arithmetic number, because the mean of its divisors is an integer number (420006636).

Almost surely, 2^1440022748 is an apocalyptic number.

It is an amenable number.

1440022748 is a deficient number, since it is larger than the sum of its proper divisors (1080017068).

1440022748 is a wasteful number, since it uses less digits than its factorization.

1440022748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360005691 (or 360005689 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 1440022748 is about 37947.6316520544. The cubic root of 1440022748 is about 1129.2491809280.

The spelling of 1440022748 in words is "one billion, four hundred forty million, twenty-two thousand, seven hundred forty-eight".