2025001440 has 432 divisors, whose sum is σ = 8772669360. Its totient is φ = 420618240.

The previous prime is 2025001417. The next prime is 2025001457. The reversal of 2025001440 is 441005202.

2025001440 is a `hidden beast` number, since 20 + 2 + 500 + 144 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 774856 + ... + 777464.

It is an arithmetic number, because the mean of its divisors is an integer number (20307105).

Almost surely, 2^2025001440 is an apocalyptic number.

2025001440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2025001440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4386334680).

2025001440 is an abundant number, since it is smaller than the sum of its proper divisors (6747667920).

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

2025001440 is a wasteful number, since it uses less digits than its factorization.

2025001440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655 (or 2637 counting only the distinct ones).

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

The square root of 2025001440 is about 45000.0159999972. The cubic root of 2025001440 is about 1265.1492978397.

Adding to 2025001440 its reverse (441005202), we get a palindrome (2466006642).

The spelling of 2025001440 in words is "two billion, twenty-five million, one thousand, four hundred forty".