3557006622720 has 720 divisors, whose sum is σ = 13399889018880. Its totient is φ = 869518540800.

The previous prime is 3557006622709. The next prime is 3557006622721. The reversal of 3557006622720 is 272266007553.

3557006622720 is a `hidden beast` number, since 3 + 5 + 570 + 0 + 6 + 6 + 2 + 2 + 72 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a super-2 number, since 2×3557006622720² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3557006622721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 434253825 + ... + 434262015.

Almost surely, 2^{3557006622720} is an apocalyptic number.

3557006622720 is a gapful number since it is divisible by the number (30) 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 3557006622720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6699944509440).

3557006622720 is an abundant number, since it is smaller than the sum of its proper divisors (9842882396160).

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

3557006622720 is a wasteful number, since it uses less digits than its factorization.

3557006622720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8280 (or 8251 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 3557006622720 in words is "three trillion, five hundred fifty-seven billion, six million, six hundred twenty-two thousand, seven hundred twenty".