4420353640 has 32 divisors (see below), whose sum is σ = 9948718080. Its totient is φ = 1767621952.

The previous prime is 4420353631. The next prime is 4420353649. The reversal of 4420353640 is 463530244.

It is an interprime number because it is at equal distance from previous prime (4420353631) and next prime (4420353649).

It is a super-2 number, since 2×4420353640² = 39079052605322499200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4420353649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140217 + ... + 168823.

It is an arithmetic number, because the mean of its divisors is an integer number (310897440).

Almost surely, 2^4420353640 is an apocalyptic number.

4420353640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4420353640 is an abundant number, since it is smaller than the sum of its proper divisors (5528364440).

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

4420353640 is a wasteful number, since it uses less digits than its factorization.

4420353640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32481 (or 32477 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 4420353640 is about 66485.7401252329. The cubic root of 4420353640 is about 1641.1653476211.

Adding to 4420353640 its reverse (463530244), we get a palindrome (4883883884).

The spelling of 4420353640 in words is "four billion, four hundred twenty million, three hundred fifty-three thousand, six hundred forty".