4545378464 has 96 divisors (see below), whose sum is σ = 9914171904. Its totient is φ = 2034190080.

The previous prime is 4545378407. The next prime is 4545378469. The reversal of 4545378464 is 4648735454.

It is not an unprimeable number, because it can be changed into a prime (4545378469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10260227 + ... + 10260669.

It is an arithmetic number, because the mean of its divisors is an integer number (103272624).

Almost surely, 2^4545378464 is an apocalyptic number.

4545378464 is a gapful number since it is divisible by the number (44) 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 4545378464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4957085952).

4545378464 is an abundant number, since it is smaller than the sum of its proper divisors (5368793440).

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

4545378464 is a wasteful number, since it uses less digits than its factorization.

4545378464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 842 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 50.

The square root of 4545378464 is about 67419.4220087951. The cubic root of 4545378464 is about 1656.4945701655.

The spelling of 4545378464 in words is "four billion, five hundred forty-five million, three hundred seventy-eight thousand, four hundred sixty-four".