6555275123040 has 3840 divisors, whose sum is σ = 30899377152000. Its totient is φ = 1290482565120.

The previous prime is 6555275123029. The next prime is 6555275123107. The reversal of 6555275123040 is 403215725556.

It is a happy number.

6555275123040 is a `hidden beast` number, since 6 + 5 + 5 + 527 + 51 + 2 + 30 + 40 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 639 ways as a sum of consecutive naturals, for example, 177169597902 + ... + 177169597938.

It is an arithmetic number, because the mean of its divisors is an integer number (8046712800).

Almost surely, 2^{6555275123040} is an apocalyptic number.

6555275123040 is a gapful number since it is divisible by the number (60) 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 6555275123040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15449688576000).

6555275123040 is an abundant number, since it is smaller than the sum of its proper divisors (24344102028960).

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

6555275123040 is a wasteful number, since it uses less digits than its factorization.

6555275123040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

The spelling of 6555275123040 in words is "six trillion, five hundred fifty-five billion, two hundred seventy-five million, one hundred twenty-three thousand, forty".