164230001440 has 48 divisors (see below), whose sum is σ = 410816525112. Its totient is φ = 61827764224.

The previous prime is 164230001387. The next prime is 164230001459. The reversal of 164230001440 is 44100032461.

164230001440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 163678503184 + 551498256 = 404572^2 + 23484^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30186619 + ... + 30192058.

Almost surely, 2^164230001440 is an apocalyptic number.

164230001440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164230001440 is an abundant number, since it is smaller than the sum of its proper divisors (246586523672).

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

164230001440 is a wasteful number, since it uses less digits than its factorization.

164230001440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60378709 (or 60378701 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The spelling of 164230001440 in words is "one hundred sixty-four billion, two hundred thirty million, one thousand, four hundred forty".