4344455540 has 48 divisors (see below), whose sum is σ = 9349721472. Its totient is φ = 1695171456.

The previous prime is 4344455513. The next prime is 4344455627. The reversal of 4344455540 is 455544434.

It is a junction number, because it is equal to n+sod(n) for n = 4344455494 and 4344455503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122282 + ... + 153758.

It is an arithmetic number, because the mean of its divisors is an integer number (194785864).

Almost surely, 2^4344455540 is an apocalyptic number.

It is an amenable number.

4344455540 is an abundant number, since it is smaller than the sum of its proper divisors (5005265932).

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

4344455540 is a wasteful number, since it uses less digits than its factorization.

4344455540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31656 (or 31654 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 38.

The square root of 4344455540 is about 65912.4839465181. The cubic root of 4344455540 is about 1631.7180550080.

Adding to 4344455540 its reverse (455544434), we get a palindrome (4799999974).

The spelling of 4344455540 in words is "four billion, three hundred forty-four million, four hundred fifty-five thousand, five hundred forty".