4545304203440 has 480 divisors, whose sum is σ = 14661699591168. Its totient is φ = 1265533286400.

The previous prime is 4545304203373. The next prime is 4545304203469. The reversal of 4545304203440 is 443024035454.

It is a junction number, because it is equal to n+sod(n) for n = 4545304203394 and 4545304203403.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 76927349 + ... + 76986411.

Almost surely, 2^{4545304203440} is an apocalyptic number.

4545304203440 is a gapful number since it is divisible by the number (40) 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 4545304203440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7330849795584).

4545304203440 is an abundant number, since it is smaller than the sum of its proper divisors (10116395387728).

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

4545304203440 is a wasteful number, since it uses less digits than its factorization.

4545304203440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59169 (or 59132 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 38.

Adding to 4545304203440 its reverse (443024035454), we get a palindrome (4988328238894).

The spelling of 4545304203440 in words is "four trillion, five hundred forty-five billion, three hundred four million, two hundred three thousand, four hundred forty".