545651726400 has 1008 divisors, whose sum is σ = 2233892855040. Its totient is φ = 129406464000.

The previous prime is 545651726381. The next prime is 545651726437. The reversal of 545651726400 is 4627156545.

545651726400 is a `hidden beast` number, since 54 + 565 + 17 + 26 + 4 + 0 + 0 = 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 143 ways as a sum of consecutive naturals, for example, 245677290 + ... + 245679510.

Almost surely, 2^545651726400 is an apocalyptic number.

545651726400 is a gapful number since it is divisible by the number (50) 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 545651726400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1116946427520).

545651726400 is an abundant number, since it is smaller than the sum of its proper divisors (1688241128640).

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

545651726400 is a wasteful number, since it uses less digits than its factorization.

545651726400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321 (or 2289 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 545651726400 in words is "five hundred forty-five billion, six hundred fifty-one million, seven hundred twenty-six thousand, four hundred".