240252142525434 has 32 divisors (see below), whose sum is σ = 574962392370240. Its totient is φ = 73923736161456.

The previous prime is 240252142525433. The next prime is 240252142525459. The reversal of 240252142525434 is 434525241252042.

240252142525434 is a `hidden beast` number, since 2 + 4 + 0 + 2 + 52 + 1 + 4 + 2 + 52 + 543 + 4 = 666.

It is a super-2 number, since 2×240252142525434² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240252142525434.

It is not an unprimeable number, because it can be changed into a prime (240252142525433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171119758932 + ... + 171119760335.

It is an arithmetic number, because the mean of its divisors is an integer number (17967574761570).

Almost surely, 2^{240252142525434} is an apocalyptic number.

240252142525434 is an abundant number, since it is smaller than the sum of its proper divisors (334710249844806).

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

240252142525434 is a wasteful number, since it uses less digits than its factorization.

240252142525434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342239519291 (or 342239519285 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 45.

Adding to 240252142525434 its reverse (434525241252042), we get a palindrome (674777383777476).

The spelling of 240252142525434 in words is "two hundred forty trillion, two hundred fifty-two billion, one hundred forty-two million, five hundred twenty-five thousand, four hundred thirty-four".