1440214002 has 24 divisors (see below), whose sum is σ = 3123351036. Its totient is φ = 479627136.

The previous prime is 1440214001. The next prime is 1440214019. The reversal of 1440214002 is 2004120441.

It can be written as a sum of positive squares in 2 ways, for example, as 1387637001 + 52577001 = 37251^2 + 7251^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1440214001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16723 + ... + 56214.

Almost surely, 2^1440214002 is an apocalyptic number.

1440214002 is an abundant number, since it is smaller than the sum of its proper divisors (1683137034).

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

1440214002 is a wasteful number, since it uses less digits than its factorization.

1440214002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74042 (or 74039 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1440214002 is about 37950.1515411994. The cubic root of 1440214002 is about 1129.2991717731.

Adding to 1440214002 its reverse (2004120441), we get a palindrome (3444334443).

The spelling of 1440214002 in words is "one billion, four hundred forty million, two hundred fourteen thousand, two".