3554730385920 has 3200 divisors, whose sum is σ = 16170615014400. Its totient is φ = 743921418240.

The previous prime is 3554730385903. The next prime is 3554730385963. The reversal of 3554730385920 is 295830374553.

3554730385920 is a `hidden beast` number, since 3 + 5 + 5 + 47 + 3 + 0 + 3 + 8 + 592 + 0 = 666.

It is a super-2 number, since 2×3554730385920² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 67070384614 + ... + 67070384666.

It is an arithmetic number, because the mean of its divisors is an integer number (5053317192).

Almost surely, 2^{3554730385920} is an apocalyptic number.

3554730385920 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 3554730385920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8085307507200).

3554730385920 is an abundant number, since it is smaller than the sum of its proper divisors (12615884628480).

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

3554730385920 is an equidigital number, since it uses as much as digits as its factorization.

3554730385920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 54.

The spelling of 3554730385920 in words is "three trillion, five hundred fifty-four billion, seven hundred thirty million, three hundred eighty-five thousand, nine hundred twenty".