545117762027520 has 680 divisors, whose sum is σ = 2132001011828160. Its totient is φ = 132149689712640.

The previous prime is 545117762027519. The next prime is 545117762027539. The reversal of 545117762027520 is 25720267711545.

545117762027520 is a `hidden beast` number, since 5 + 4 + 5 + 1 + 1 + 7 + 7 + 620 + 2 + 7 + 5 + 2 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 291029341 + ... + 292896419.

Almost surely, 2^{545117762027520} 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 545117762027520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066000505914080).

545117762027520 is an abundant number, since it is smaller than the sum of its proper divisors (1586883249800640).

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

545117762027520 is an equidigital number, since it uses as much as digits as its factorization.

545117762027520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867139 (or 1867100 counting only the distinct ones).

The product of its (nonzero) digits is 8232000, while the sum is 54.

The spelling of 545117762027520 in words is "five hundred forty-five trillion, one hundred seventeen billion, seven hundred sixty-two million, twenty-seven thousand, five hundred twenty".