4364121780 has 288 divisors, whose sum is σ = 14604065280. Its totient is φ = 1081486080.

The previous prime is 4364121763. The next prime is 4364121781. The reversal of 4364121780 is 871214634.

4364121780 is a `hidden beast` number, since 4 + 3 + 641 + 2 + 1 + 7 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4364121781) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11891157 + ... + 11891523.

It is an arithmetic number, because the mean of its divisors is an integer number (50708560).

Almost surely, 2^4364121780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4364121780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7302032640).

4364121780 is an abundant number, since it is smaller than the sum of its proper divisors (10239943500).

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

4364121780 is a wasteful number, since it uses less digits than its factorization.

4364121780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 4364121780 is about 66061.4999829704. The cubic root of 4364121780 is about 1634.1764727375.

The spelling of 4364121780 in words is "four billion, three hundred sixty-four million, one hundred twenty-one thousand, seven hundred eighty".