4201945780 has 24 divisors (see below), whose sum is σ = 8973649440. Its totient is φ = 1652290080.

The previous prime is 4201945771. The next prime is 4201945819. The reversal of 4201945780 is 875491024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1779306 + ... + 1781665.

It is an arithmetic number, because the mean of its divisors is an integer number (373902060).

Almost surely, 2^4201945780 is an apocalyptic number.

It is an amenable number.

4201945780 is an abundant number, since it is smaller than the sum of its proper divisors (4771703660).

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

4201945780 is a wasteful number, since it uses less digits than its factorization.

4201945780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3561039 (or 3561037 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 4201945780 is about 64822.4172644001. The cubic root of 4201945780 is about 1613.6777644778.

The spelling of 4201945780 in words is "four billion, two hundred one million, nine hundred forty-five thousand, seven hundred eighty".