4545043968 has 80 divisors (see below), whose sum is σ = 12155400576. Its totient is φ = 1509120000.

The previous prime is 4545043963. The next prime is 4545043969. The reversal of 4545043968 is 8693405454.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545043963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398343 + ... + 409593.

Almost surely, 2^4545043968 is an apocalyptic number.

4545043968 is a gapful number since it is divisible by the number (48) 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 4545043968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6077700288).

4545043968 is an abundant number, since it is smaller than the sum of its proper divisors (7610356608).

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

4545043968 is a wasteful number, since it uses less digits than its factorization.

4545043968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11535 (or 11519 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The square root of 4545043968 is about 67416.9412536641. The cubic root of 4545043968 is about 1656.4539351627.

The spelling of 4545043968 in words is "four billion, five hundred forty-five million, forty-three thousand, nine hundred sixty-eight".