4564262523540 has 96 divisors (see below), whose sum is σ = 12915325995264. Its totient is φ = 1204249374720.

The previous prime is 4564262523409. The next prime is 4564262523547. The reversal of 4564262523540 is 453252624654.

It is a self number, because there is not a number n which added to its sum of digits gives 4564262523540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4564262523547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20884030 + ... + 21101450.

It is an arithmetic number, because the mean of its divisors is an integer number (134534645784).

Almost surely, 2^{4564262523540} 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 4564262523540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6457662997632).

4564262523540 is an abundant number, since it is smaller than the sum of its proper divisors (8351063471724).

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

4564262523540 is a wasteful number, since it uses less digits than its factorization.

4564262523540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221137 (or 221135 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 48.

The spelling of 4564262523540 in words is "four trillion, five hundred sixty-four billion, two hundred sixty-two million, five hundred twenty-three thousand, five hundred forty".