7450550138880 has 576 divisors, whose sum is σ = 27943152007680. Its totient is φ = 1900415582208.

The previous prime is 7450550138861. The next prime is 7450550138881. The reversal of 7450550138880 is 888310550547.

7450550138880 is a `hidden beast` number, since 7 + 4 + 5 + 0 + 550 + 1 + 3 + 8 + 8 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7450550138881) 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, 57166269 + ... + 57296451.

It is an arithmetic number, because the mean of its divisors is an integer number (48512416680).

Almost surely, 2^{7450550138880} 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 7450550138880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13971576003840).

7450550138880 is an abundant number, since it is smaller than the sum of its proper divisors (20492601868800).

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

7450550138880 is a wasteful number, since it uses less digits than its factorization.

7450550138880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130248 (or 130216 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 54.

The spelling of 7450550138880 in words is "seven trillion, four hundred fifty billion, five hundred fifty million, one hundred thirty-eight thousand, eight hundred eighty".