1055355774480 has 480 divisors, whose sum is σ = 4404751363584. Its totient is φ = 220897787904.

The previous prime is 1055355774461. The next prime is 1055355774481. The reversal of 1055355774480 is 844775535501.

1055355774480 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 3 + 557 + 7 + 4 + 4 + 80 = 666.

It is a super-2 number, since 2×1055355774480² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055355774481) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3003709 + ... + 3336611.

Almost surely, 2^{1055355774480} is an apocalyptic number.

1055355774480 is a gapful number since it is divisible by the number (10) 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 1055355774480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2202375681792).

1055355774480 is an abundant number, since it is smaller than the sum of its proper divisors (3349395589104).

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

1055355774480 is a wasteful number, since it uses less digits than its factorization.

1055355774480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332983 (or 332974 counting only the distinct ones).

The product of its (nonzero) digits is 11760000, while the sum is 54.

The spelling of 1055355774480 in words is "one trillion, fifty-five billion, three hundred fifty-five million, seven hundred seventy-four thousand, four hundred eighty".