240161439 has 8 divisors (see below), whose sum is σ = 365960320. Its totient is φ = 137235096.

The previous prime is 240161437. The next prime is 240161443. The reversal of 240161439 is 934161042.

240161439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 240161439 - 2¹ = 240161437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240161437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5718109 + ... + 5718150.

It is an arithmetic number, because the mean of its divisors is an integer number (45745040).

Almost surely, 2^240161439 is an apocalyptic number.

240161439 is a deficient number, since it is larger than the sum of its proper divisors (125798881).

240161439 is a wasteful number, since it uses less digits than its factorization.

240161439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11436269.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 240161439 is about 15497.1429302307. The cubic root of 240161439 is about 621.5858112116.

The spelling of 240161439 in words is "two hundred forty million, one hundred sixty-one thousand, four hundred thirty-nine".