1440070764 has 24 divisors (see below), whose sum is σ = 3665635008. Its totient is φ = 436385040.

The previous prime is 1440070739. The next prime is 1440070783. The reversal of 1440070764 is 4670700441.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5454682 + ... + 5454945.

It is an arithmetic number, because the mean of its divisors is an integer number (152734792).

Almost surely, 2^1440070764 is an apocalyptic number.

It is an amenable number.

1440070764 is an abundant number, since it is smaller than the sum of its proper divisors (2225564244).

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

1440070764 is a wasteful number, since it uses less digits than its factorization.

1440070764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10909645 (or 10909643 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 1440070764 is about 37948.2643081340. The cubic root of 1440070764 is about 1129.2617319858.

The spelling of 1440070764 in words is "one billion, four hundred forty million, seventy thousand, seven hundred sixty-four".