1440318364 has 12 divisors (see below), whose sum is σ = 2526174000. Its totient is φ = 718554368.

The previous prime is 1440318359. The next prime is 1440318433. The reversal of 1440318364 is 4638130441.

It is a congruent number.

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, 399184 + ... + 402775.

It is an arithmetic number, because the mean of its divisors is an integer number (210514500).

Almost surely, 2^1440318364 is an apocalyptic number.

It is an amenable number.

1440318364 is a deficient number, since it is larger than the sum of its proper divisors (1085855636).

1440318364 is a wasteful number, since it uses less digits than its factorization.

1440318364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802412 (or 802410 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 1440318364 is about 37951.5265042132. The cubic root of 1440318364 is about 1129.3264485235.

The spelling of 1440318364 in words is "one billion, four hundred forty million, three hundred eighteen thousand, three hundred sixty-four".