4524721865040 has 240 divisors, whose sum is σ = 15678567221760. Its totient is φ = 1077849077760.

The previous prime is 4524721865003. The next prime is 4524721865051. The reversal of 4524721865040 is 405681274254.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 541935 + ... + 3056654.

It is an arithmetic number, because the mean of its divisors is an integer number (65327363424).

Almost surely, 2^{4524721865040} is an apocalyptic number.

4524721865040 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 4524721865040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7839283610880).

4524721865040 is an abundant number, since it is smaller than the sum of its proper divisors (11153845356720).

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

4524721865040 is a wasteful number, since it uses less digits than its factorization.

4524721865040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3598662 (or 3598643 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 4524721865040 in words is "four trillion, five hundred twenty-four billion, seven hundred twenty-one million, eight hundred sixty-five thousand, forty".