232444040139 has 12 divisors (see below), whose sum is σ = 335765970072. Its totient is φ = 154956477600.

The previous prime is 232444040051. The next prime is 232444040159. The reversal of 232444040139 is 931040444232.

232444040139 is a `hidden beast` number, since 2 + 3 + 244 + 4 + 0 + 401 + 3 + 9 = 666.

It is not a de Polignac number, because 232444040139 - 2¹¹ = 232444038091 is a prime.

It is a super-2 number, since 2×232444040139² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (232444040159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 275157 + ... + 735254.

It is an arithmetic number, because the mean of its divisors is an integer number (27980497506).

Almost surely, 2^232444040139 is an apocalyptic number.

232444040139 is a deficient number, since it is larger than the sum of its proper divisors (103321929933).

232444040139 is a wasteful number, since it uses less digits than its factorization.

232444040139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035978 (or 1035975 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 232444040139 in words is "two hundred thirty-two billion, four hundred forty-four million, forty thousand, one hundred thirty-nine".