2585463700 has 72 divisors (see below), whose sum is σ = 5952744000. Its totient is φ = 971343360.

The previous prime is 2585463697. The next prime is 2585463719. The reversal of 2585463700 is 73645852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1017031 + ... + 1019569.

It is an arithmetic number, because the mean of its divisors is an integer number (82677000).

Almost surely, 2^2585463700 is an apocalyptic number.

2585463700 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 2585463700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2976372000).

2585463700 is an abundant number, since it is smaller than the sum of its proper divisors (3367280300).

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

2585463700 is a wasteful number, since it uses less digits than its factorization.

2585463700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169 (or 3162 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 2585463700 is about 50847.4551968926. The cubic root of 2585463700 is about 1372.5014592946.

The spelling of 2585463700 in words is "two billion, five hundred eighty-five million, four hundred sixty-three thousand, seven hundred".