1025843616 has 360 divisors, whose sum is σ = 3613393476. Its totient is φ = 284497920.

The previous prime is 1025843603. The next prime is 1025843617. The reversal of 1025843616 is 6163485201.

1025843616 = 323³ + 324³ + ... + 349³.

It is a happy number.

1025843616 is a `hidden beast` number, since 10 + 2 + 584 + 3 + 61 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1024256016 + 1587600 = 32004^2 + 1260^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025843617) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 5207230 + ... + 5207426.

Almost surely, 2^1025843616 is an apocalyptic number.

1025843616 is a gapful number since it is divisible by the number (16) 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 1025843616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1806696738).

1025843616 is an abundant number, since it is smaller than the sum of its proper divisors (2587549860).

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

1025843616 is a wasteful number, since it uses less digits than its factorization.

1025843616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1025843616 is about 32028.7935458081. The cubic root of 1025843616 is about 1008.5413758529.

The spelling of 1025843616 in words is "one billion, twenty-five million, eight hundred forty-three thousand, six hundred sixteen".