545020411400 has 96 divisors (see below), whose sum is σ = 1342757350440. Its totient is φ = 205024296960.

The previous prime is 545020411379. The next prime is 545020411517. The reversal of 545020411400 is 4114020545.

It can be written as a sum of positive squares in 12 ways, for example, as 231055185124 + 313965226276 = 480682^2 + 560326^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 545020411400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4348004 + ... + 4471596.

Almost surely, 2^545020411400 is an apocalyptic number.

545020411400 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 545020411400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671378675220).

545020411400 is an abundant number, since it is smaller than the sum of its proper divisors (797736939040).

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

545020411400 is a wasteful number, since it uses less digits than its factorization.

545020411400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124923 (or 124914 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 545020411400 its reverse (4114020545), we get a palindrome (549134431945).

The spelling of 545020411400 in words is "five hundred forty-five billion, twenty million, four hundred eleven thousand, four hundred".