545236642400 has 36 divisors (see below), whose sum is σ = 1331058955212. Its totient is φ = 218094656640.

The previous prime is 545236642367. The next prime is 545236642403. The reversal of 545236642400 is 4246632545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545236642403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 340772102 + ... + 340773701.

It is an arithmetic number, because the mean of its divisors is an integer number (36973859867).

Almost surely, 2^545236642400 is an apocalyptic number.

545236642400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

545236642400 is an abundant number, since it is smaller than the sum of its proper divisors (785822312812).

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

545236642400 is a wasteful number, since it uses less digits than its factorization.

545236642400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681545823 (or 681545810 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 545236642400 in words is "five hundred forty-five billion, two hundred thirty-six million, six hundred forty-two thousand, four hundred".