5556178353240 has 768 divisors, whose sum is σ = 19725045350400. Its totient is φ = 1352580083712.

The previous prime is 5556178353233. The next prime is 5556178353283. The reversal of 5556178353240 is 423538716555.

5556178353240 is a `hidden beast` number, since 5 + 5 + 5 + 61 + 7 + 8 + 3 + 532 + 40 = 666.

It is a super-2 number, since 2×5556178353240² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4187021457 + ... + 4187022783.

It is an arithmetic number, because the mean of its divisors is an integer number (25683652800).

Almost surely, 2^{5556178353240} 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 5556178353240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9862522675200).

5556178353240 is an abundant number, since it is smaller than the sum of its proper divisors (14168866997160).

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

5556178353240 is a wasteful number, since it uses less digits than its factorization.

5556178353240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 15120000, while the sum is 54.

The spelling of 5556178353240 in words is "five trillion, five hundred fifty-six billion, one hundred seventy-eight million, three hundred fifty-three thousand, two hundred forty".