240434142 has 16 divisors (see below), whose sum is σ = 517858320. Its totient is φ = 73979712.

The previous prime is 240434137. The next prime is 240434149. The reversal of 240434142 is 241434042.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240434149) 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, 1541167 + ... + 1541322.

It is an arithmetic number, because the mean of its divisors is an integer number (32366145).

Almost surely, 2^240434142 is an apocalyptic number.

240434142 is an abundant number, since it is smaller than the sum of its proper divisors (277424178).

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

240434142 is a wasteful number, since it uses less digits than its factorization.

240434142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082507.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 240434142 is about 15505.9389267467. The cubic root of 240434142 is about 621.8209921768.

Adding to 240434142 its reverse (241434042), we get a palindrome (481868184).

The spelling of 240434142 in words is "two hundred forty million, four hundred thirty-four thousand, one hundred forty-two".