4545244340 has 96 divisors (see below), whose sum is σ = 11889642240. Its totient is φ = 1421116416.

The previous prime is 4545244283. The next prime is 4545244349. The reversal of 4545244340 is 434425454.

It is a super-2 number, since 2×4545244340² = 41318492220604071200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 4545244340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545244349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136016 + ... + 166104.

It is an arithmetic number, because the mean of its divisors is an integer number (123850440).

Almost surely, 2^4545244340 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 4545244340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5944821120).

4545244340 is an abundant number, since it is smaller than the sum of its proper divisors (7344397900).

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

4545244340 is a wasteful number, since it uses less digits than its factorization.

4545244340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30201 (or 30199 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

The square root of 4545244340 is about 67418.4273029266. The cubic root of 4545244340 is about 1656.4782768495.

Adding to 4545244340 its reverse (434425454), we get a palindrome (4979669794).

The spelling of 4545244340 in words is "four billion, five hundred forty-five million, two hundred forty-four thousand, three hundred forty".