2485809900 has 324 divisors, whose sum is σ = 9406658352. Its totient is φ = 537788160.

The previous prime is 2485809899. The next prime is 2485809941. The reversal of 2485809900 is 99085842.

2485809900 is a `hidden beast` number, since 2 + 485 + 80 + 9 + 90 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 2273754 + ... + 2274846.

Almost surely, 2^2485809900 is an apocalyptic number.

2485809900 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 2485809900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4703329176).

2485809900 is an abundant number, since it is smaller than the sum of its proper divisors (6920848452).

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

2485809900 is a wasteful number, since it uses less digits than its factorization.

2485809900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 2485809900 is about 49857.8970675659. The cubic root of 2485809900 is about 1354.6360773375.

The spelling of 2485809900 in words is "two billion, four hundred eighty-five million, eight hundred nine thousand, nine hundred".