3630022440 has 128 divisors (see below), whose sum is σ = 12133048320. Its totient is φ = 861267200.

The previous prime is 3630022439. The next prime is 3630022493. The reversal of 3630022440 is 442200363.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3630022440.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32785 + ... + 91295.

It is an arithmetic number, because the mean of its divisors is an integer number (94789440).

Almost surely, 2^3630022440 is an apocalyptic number.

3630022440 is a gapful number since it is divisible by the number (30) 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 3630022440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6066524160).

3630022440 is an abundant number, since it is smaller than the sum of its proper divisors (8503025880).

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

3630022440 is a wasteful number, since it uses less digits than its factorization.

3630022440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58583 (or 58579 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3630022440 is about 60249.6675509500. The cubic root of 3630022440 is about 1536.8675349608.

The spelling of 3630022440 in words is "three billion, six hundred thirty million, twenty-two thousand, four hundred forty".