4454352440 has 32 divisors (see below), whose sum is σ = 10367892000. Its totient is φ = 1720301184.

The previous prime is 4454352421. The next prime is 4454352443. The reversal of 4454352440 is 442534544.

It is a self number, because there is not a number n which added to its sum of digits gives 4454352440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4454352443) 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, 1918820 + ... + 1921139.

It is an arithmetic number, because the mean of its divisors is an integer number (323996625).

Almost surely, 2^4454352440 is an apocalyptic number.

4454352440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4454352440 is an abundant number, since it is smaller than the sum of its proper divisors (5913539560).

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

4454352440 is a wasteful number, since it uses less digits than its factorization.

4454352440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3839999 (or 3839995 counting only the distinct ones).

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

The square root of 4454352440 is about 66740.9352646485. The cubic root of 4454352440 is about 1645.3622370332.

Adding to 4454352440 its reverse (442534544), we get a palindrome (4896886984).

The spelling of 4454352440 in words is "four billion, four hundred fifty-four million, three hundred fifty-two thousand, four hundred forty".