4240018620 has 144 divisors (see below), whose sum is σ = 13821863328. Its totient is φ = 1048227840.

The previous prime is 4240018547. The next prime is 4240018621. The reversal of 4240018620 is 268100424.

4240018620 is a `hidden beast` number, since 4 + 24 + 0 + 0 + 18 + 620 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240018621) 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, 194680 + ... + 215360.

It is an arithmetic number, because the mean of its divisors is an integer number (95985162).

Almost surely, 2^4240018620 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 4240018620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6910931664).

4240018620 is an abundant number, since it is smaller than the sum of its proper divisors (9581844708).

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

4240018620 is a wasteful number, since it uses less digits than its factorization.

4240018620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20780 (or 20775 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 4240018620 is about 65115.4253614303. The cubic root of 4240018620 is about 1618.5368361796.

The spelling of 4240018620 in words is "four billion, two hundred forty million, eighteen thousand, six hundred twenty".