162246440 has 16 divisors (see below), whose sum is σ = 365054580. Its totient is φ = 64898560.

The previous prime is 162246433. The next prime is 162246449. The reversal of 162246440 is 44642261.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 148303684 + 13942756 = 12178^2 + 3734^2 .

It is not an unprimeable number, because it can be changed into a prime (162246449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2028041 + ... + 2028120.

Almost surely, 2^162246440 is an apocalyptic number.

162246440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162246440 is an abundant number, since it is smaller than the sum of its proper divisors (202808140).

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

162246440 is a wasteful number, since it uses less digits than its factorization.

162246440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4056172 (or 4056168 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 162246440 is about 12737.5994598668. The cubic root of 162246440 is about 545.4124644640.

The spelling of 162246440 in words is "one hundred sixty-two million, two hundred forty-six thousand, four hundred forty".