545021235416 has 64 divisors (see below), whose sum is σ = 1208761574400. Its totient is φ = 225416564352.

The previous prime is 545021235403. The next prime is 545021235427. The reversal of 545021235416 is 614532120545.

It is a self number, because there is not a number n which added to its sum of digits gives 545021235416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3308885 + ... + 3469691.

It is an arithmetic number, because the mean of its divisors is an integer number (18886899600).

Almost surely, 2^545021235416 is an apocalyptic number.

545021235416 is a gapful number since it is divisible by the number (56) 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 545021235416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604380787200).

545021235416 is an abundant number, since it is smaller than the sum of its proper divisors (663740338984).

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

545021235416 is a wasteful number, since it uses less digits than its factorization.

545021235416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162936 (or 162932 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 545021235416 in words is "five hundred forty-five billion, twenty-one million, two hundred thirty-five thousand, four hundred sixteen".