489787400025 has 360 divisors, whose sum is σ = 1158806572704. Its totient is φ = 202225766400.

The previous prime is 489787400021. The next prime is 489787400033. The reversal of 489787400025 is 520004787984.

It is a happy number.

489787400025 is a `hidden beast` number, since 489 + 78 + 74 + 0 + 0 + 0 + 25 = 666.

It is not a de Polignac number, because 489787400025 - 2² = 489787400021 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (489787400021) by changing a digit.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 177909049 + ... + 177911801.

Almost surely, 2^489787400025 is an apocalyptic number.

489787400025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

489787400025 is an abundant number, since it is smaller than the sum of its proper divisors (669019172679).

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

489787400025 is a wasteful number, since it uses less digits than its factorization.

489787400025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963 (or 2942 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 489787400025 in words is "four hundred eighty-nine billion, seven hundred eighty-seven million, four hundred thousand, twenty-five".