2442640220262 has 80 divisors (see below), whose sum is σ = 5979205900800. Its totient is φ = 739164141360.

The previous prime is 2442640220249. The next prime is 2442640220291. The reversal of 2442640220262 is 2620220462442.

2442640220262 is a `hidden beast` number, since 2 + 4 + 4 + 2 + 640 + 2 + 2 + 0 + 2 + 6 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 328039 + ... + 2234477.

It is an arithmetic number, because the mean of its divisors is an integer number (74740073760).

Almost surely, 2^{2442640220262} is an apocalyptic number.

2442640220262 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2442640220262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2989602950400).

2442640220262 is an abundant number, since it is smaller than the sum of its proper divisors (3536565680538).

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

2442640220262 is a wasteful number, since it uses less digits than its factorization.

2442640220262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907183 (or 1907174 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

The spelling of 2442640220262 in words is "two trillion, four hundred forty-two billion, six hundred forty million, two hundred twenty thousand, two hundred sixty-two".