4492171440 has 80 divisors (see below), whose sum is σ = 15473042400. Its totient is φ = 1197911808.

The previous prime is 4492171421. The next prime is 4492171451. The reversal of 4492171440 is 441712944.

4492171440 is a `hidden beast` number, since 4 + 49 + 2 + 171 + 440 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

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 = 4492171395 and 4492171404.

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, 1037695 + ... + 1042014.

It is an arithmetic number, because the mean of its divisors is an integer number (193413030).

Almost surely, 2^4492171440 is an apocalyptic number.

4492171440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4492171440 is an abundant number, since it is smaller than the sum of its proper divisors (10980870960).

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

4492171440 is a wasteful number, since it uses less digits than its factorization.

4492171440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079731 (or 2079719 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 4492171440 is about 67023.6632839477. The cubic root of 4492171440 is about 1650.0056859308.

The spelling of 4492171440 in words is "four billion, four hundred ninety-two million, one hundred seventy-one thousand, four hundred forty".