4409455140 has 72 divisors (see below), whose sum is σ = 13452756408. Its totient is φ = 1169049600.

The previous prime is 4409455109. The next prime is 4409455157. The reversal of 4409455140 is 415549044.

It can be written as a sum of positive squares in 4 ways, for example, as 2768232996 + 1641222144 = 52614^2 + 40512^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4409455095 and 4409455104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39661 + ... + 101940.

It is an arithmetic number, because the mean of its divisors is an integer number (186843839).

Almost surely, 2^4409455140 is an apocalyptic number.

It is an amenable number.

4409455140 is an abundant number, since it is smaller than the sum of its proper divisors (9043301268).

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

4409455140 is a wasteful number, since it uses less digits than its factorization.

4409455140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141789 (or 141784 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 4409455140 is about 66403.7283591818. The cubic root of 4409455140 is about 1639.8154586126.

The spelling of 4409455140 in words is "four billion, four hundred nine million, four hundred fifty-five thousand, one hundred forty".