1440002025 has 72 divisors (see below), whose sum is σ = 3215669184. Its totient is φ = 598435200.

The previous prime is 1440002023. The next prime is 1440002029. The reversal of 1440002025 is 5202000441.

1440002025 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1440002025 - 2¹ = 1440002023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1440001989 and 1440002007.

It is not an unprimeable number, because it can be changed into a prime (1440002023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 24234 + ... + 58883.

It is an arithmetic number, because the mean of its divisors is an integer number (44662072).

Almost surely, 2^1440002025 is an apocalyptic number.

1440002025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1440002025 is an abundant number, since it is smaller than the sum of its proper divisors (1775667159).

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

1440002025 is a wasteful number, since it uses less digits than its factorization.

1440002025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83151 (or 83143 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1440002025 is about 37947.3586037289. The cubic root of 1440002025 is about 1129.2437639898.

Adding to 1440002025 its reverse (5202000441), we get a palindrome (6642002466).

The spelling of 1440002025 in words is "one billion, four hundred forty million, two thousand, twenty-five".