4457665140 has 48 divisors (see below), whose sum is σ = 12785895360. Its totient is φ = 1159717120.

The previous prime is 4457665129. The next prime is 4457665153. The reversal of 4457665140 is 415667544.

It is a junction number, because it is equal to n+sod(n) for n = 4457665092 and 4457665101.

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, 903570 + ... + 908489.

It is an arithmetic number, because the mean of its divisors is an integer number (266372820).

Almost surely, 2^4457665140 is an apocalyptic number.

It is an amenable number.

4457665140 is an abundant number, since it is smaller than the sum of its proper divisors (8328230220).

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

4457665140 is a wasteful number, since it uses less digits than its factorization.

4457665140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812112 (or 1812110 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 4457665140 is about 66765.7482546253. The cubic root of 4457665140 is about 1645.7700210237.

The spelling of 4457665140 in words is "four billion, four hundred fifty-seven million, six hundred sixty-five thousand, one hundred forty".