4255621747040 has 96 divisors (see below), whose sum is σ = 10497230251200. Its totient is φ = 1627276017664.

The previous prime is 4255621747019. The next prime is 4255621747057. The reversal of 4255621747040 is 407471265524.

It is a super-2 number, since 2×4255621747040² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5904236 + ... + 6585684.

It is an arithmetic number, because the mean of its divisors is an integer number (109346148450).

Almost surely, 2^{4255621747040} is an apocalyptic number.

4255621747040 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 4255621747040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5248615125600).

4255621747040 is an abundant number, since it is smaller than the sum of its proper divisors (6241608504160).

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

4255621747040 is a wasteful number, since it uses less digits than its factorization.

4255621747040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683184 (or 683176 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 47.

The spelling of 4255621747040 in words is "four trillion, two hundred fifty-five billion, six hundred twenty-one million, seven hundred forty-seven thousand, forty".