1440125002 has 8 divisors (see below), whose sum is σ = 2169459396. Its totient is φ = 716971872.

The previous prime is 1440124999. The next prime is 1440125003. The reversal of 1440125002 is 2005210441.

It can be written as a sum of positive squares in 2 ways, for example, as 1338901281 + 101223721 = 36591^2 + 10061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1440125003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544733 + ... + 1545664.

Almost surely, 2^1440125002 is an apocalyptic number.

1440125002 is a deficient number, since it is larger than the sum of its proper divisors (729334394).

1440125002 is a wasteful number, since it uses less digits than its factorization.

1440125002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3090632.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1440125002 is about 37948.9789322453. The cubic root of 1440125002 is about 1129.2759090967.

Adding to 1440125002 its reverse (2005210441), we get a palindrome (3445335443).

The spelling of 1440125002 in words is "one billion, four hundred forty million, one hundred twenty-five thousand, two".