240142243424 has 24 divisors (see below), whose sum is σ = 477198553608. Its totient is φ = 118948960000.

The previous prime is 240142243381. The next prime is 240142243447. The reversal of 240142243424 is 424342241042.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35064077 + ... + 35070924.

It is an arithmetic number, because the mean of its divisors is an integer number (19883273067).

Almost surely, 2^240142243424 is an apocalyptic number.

It is an amenable number.

240142243424 is a deficient number, since it is larger than the sum of its proper divisors (237056310184).

240142243424 is a wasteful number, since it uses less digits than its factorization.

240142243424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70135118 (or 70135110 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 240142243424 its reverse (424342241042), we get a palindrome (664484484466).

The spelling of 240142243424 in words is "two hundred forty billion, one hundred forty-two million, two hundred forty-three thousand, four hundred twenty-four".