545023040000 has 200 divisors, whose sum is σ = 1371608544768. Its totient is φ = 216276480000.

The previous prime is 545023039973. The next prime is 545023040083. The reversal of 545023040000 is 40320545.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×545023040000² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40633295 + ... + 40646705.

Almost surely, 2^545023040000 is an apocalyptic number.

545023040000 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 545023040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (685804272384).

545023040000 is an abundant number, since it is smaller than the sum of its proper divisors (826585504768).

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

545023040000 is an equidigital number, since it uses as much as digits as its factorization.

545023040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13576 (or 13545 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

Adding to 545023040000 its reverse (40320545), we get a palindrome (545063360545).

The spelling of 545023040000 in words is "five hundred forty-five billion, twenty-three million, forty thousand".