4238562780 has 144 divisors (see below), whose sum is σ = 13215986784. Its totient is φ = 1098915840.

The previous prime is 4238562767. The next prime is 4238562781. The reversal of 4238562780 is 872658324.

4238562780 is a `hidden beast` number, since 4 + 2 + 3 + 8 + 562 + 7 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4238562781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2604327 + ... + 2605953.

It is an arithmetic number, because the mean of its divisors is an integer number (91777686).

Almost surely, 2^4238562780 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 4238562780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6607993392).

4238562780 is an abundant number, since it is smaller than the sum of its proper divisors (8977424004).

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

4238562780 is a wasteful number, since it uses less digits than its factorization.

4238562780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036 (or 2031 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 4238562780 is about 65104.2454836856. The cubic root of 4238562780 is about 1618.3515696657.

The spelling of 4238562780 in words is "four billion, two hundred thirty-eight million, five hundred sixty-two thousand, seven hundred eighty".