545038416 has 320 divisors, whose sum is σ = 1799607040. Its totient is φ = 156764160.

The previous prime is 545038399. The next prime is 545038421. The reversal of 545038416 is 614830545.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8935026 + ... + 8935086.

It is an arithmetic number, because the mean of its divisors is an integer number (5623772).

Almost surely, 2^545038416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545038416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899803520).

545038416 is an abundant number, since it is smaller than the sum of its proper divisors (1254568624).

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

545038416 is a wasteful number, since it uses less digits than its factorization.

545038416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 545038416 is about 23346.0578256801. The cubic root of 545038416 is about 816.8501088587.

The spelling of 545038416 in words is "five hundred forty-five million, thirty-eight thousand, four hundred sixteen".