4636661250 has 80 divisors (see below), whose sum is σ = 12479455296. Its totient is φ = 1141320000.

The previous prime is 4636661231. The next prime is 4636661251. The reversal of 4636661250 is 521666364.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4636661199 and 4636661208.

It is not an unprimeable number, because it can be changed into a prime (4636661251) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1195 + ... + 96305.

Almost surely, 2^4636661250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4636661250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6239727648).

4636661250 is an abundant number, since it is smaller than the sum of its proper divisors (7842794046).

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

4636661250 is a wasteful number, since it uses less digits than its factorization.

4636661250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95149 (or 95134 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 4636661250 is about 68093.0337846685. The cubic root of 4636661250 is about 1667.5100342778.

The spelling of 4636661250 in words is "four billion, six hundred thirty-six million, six hundred sixty-one thousand, two hundred fifty".