4266666240 has 144 divisors (see below), whose sum is σ = 13686624000. Its totient is φ = 1132773376.

The previous prime is 4266666233. The next prime is 4266666241. The reversal of 4266666240 is 426666624.

It is a junction number, because it is equal to n+sod(n) for n = 4266666192 and 4266666201.

It is not an unprimeable number, because it can be changed into a prime (4266666241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 915436 + ... + 920084.

It is an arithmetic number, because the mean of its divisors is an integer number (95046000).

Almost surely, 2^4266666240 is an apocalyptic number.

4266666240 is a gapful number since it is divisible by the number (40) 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 4266666240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6843312000).

4266666240 is an abundant number, since it is smaller than the sum of its proper divisors (9419957760).

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

4266666240 is a wasteful number, since it uses less digits than its factorization.

4266666240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4912 (or 4898 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The square root of 4266666240 is about 65319.7232082317. The cubic root of 4266666240 is about 1621.9204780889.

It can be divided in two parts, 426 and 6666240, that added together give a palindrome (6666666).

The spelling of 4266666240 in words is "four billion, two hundred sixty-six million, six hundred sixty-six thousand, two hundred forty".