4332140145438 has 64 divisors (see below), whose sum is σ = 10017281138688. Its totient is φ = 1223431073280.

The previous prime is 4332140145427. The next prime is 4332140145439. The reversal of 4332140145438 is 8345410412334.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 4332140145438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4332140145439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 460395 + ... + 2979302.

It is an arithmetic number, because the mean of its divisors is an integer number (156520017792).

Almost surely, 2^{4332140145438} is an apocalyptic number.

4332140145438 is an abundant number, since it is smaller than the sum of its proper divisors (5685140993250).

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

4332140145438 is a wasteful number, since it uses less digits than its factorization.

4332140145438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440057.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 4332140145438 in words is "four trillion, three hundred thirty-two billion, one hundred forty million, one hundred forty-five thousand, four hundred thirty-eight".