162434440 has 64 divisors (see below), whose sum is σ = 429004800. Its totient is φ = 54183168.

The previous prime is 162434429. The next prime is 162434443. The reversal of 162434440 is 44434261.

It is a super-2 number, since 2×162434440² = 52769894596227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 162434399 and 162434408.

It is not an unprimeable number, because it can be changed into a prime (162434443) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2521 + ... + 18199.

It is an arithmetic number, because the mean of its divisors is an integer number (6703200).

Almost surely, 2^162434440 is an apocalyptic number.

162434440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162434440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214502400).

162434440 is an abundant number, since it is smaller than the sum of its proper divisors (266570360).

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

162434440 is a wasteful number, since it uses less digits than its factorization.

162434440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15734 (or 15730 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 162434440 is about 12744.9770498028. The cubic root of 162434440 is about 545.6230452824.

The spelling of 162434440 in words is "one hundred sixty-two million, four hundred thirty-four thousand, four hundred forty".