852124440 has 32 divisors (see below), whose sum is σ = 2556373680. Its totient is φ = 227233152.

The previous prime is 852124411. The next prime is 852124453. The reversal of 852124440 is 44421258.

It is a super-2 number, since 2×852124440² = 1452232122490627200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 852124398 and 852124407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3550399 + ... + 3550638.

Almost surely, 2^852124440 is an apocalyptic number.

It is an amenable number.

852124440 is an abundant number, since it is smaller than the sum of its proper divisors (1704249240).

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

852124440 is a wasteful number, since it uses less digits than its factorization.

852124440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7101051 (or 7101047 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 852124440 is about 29191.1705829006. The cubic root of 852124440 is about 948.0567627889.

Adding to 852124440 its reverse (44421258), we get a palindrome (896545698).

The spelling of 852124440 in words is "eight hundred fifty-two million, one hundred twenty-four thousand, four hundred forty".