162344206440 has 96 divisors (see below), whose sum is σ = 568204738920. Its totient is φ = 39961649664.

The previous prime is 162344206399. The next prime is 162344206463. The reversal of 162344206440 is 44602443261.

162344206440 is a `hidden beast` number, since 1 + 6 + 2 + 3 + 4 + 4 + 2 + 0 + 644 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 41227678116 + 121116528324 = 203046^2 + 348018^2 .

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 = 162344206395 and 162344206404.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17339787 + ... + 17349146.

Almost surely, 2^162344206440 is an apocalyptic number.

162344206440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162344206440 is an abundant number, since it is smaller than the sum of its proper divisors (405860532480).

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

162344206440 is a wasteful number, since it uses less digits than its factorization.

162344206440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34688963 (or 34688956 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 162344206440 in words is "one hundred sixty-two billion, three hundred forty-four million, two hundred six thousand, four hundred forty".