240013912 has 8 divisors (see below), whose sum is σ = 450026100. Its totient is φ = 120006952.

The previous prime is 240013897. The next prime is 240013919. The reversal of 240013912 is 219310042.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240013919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000862 + ... + 15000877.

Almost surely, 2^240013912 is an apocalyptic number.

It is an amenable number.

240013912 is a deficient number, since it is larger than the sum of its proper divisors (210012188).

240013912 is a wasteful number, since it uses less digits than its factorization.

240013912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30001745 (or 30001741 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 240013912 is about 15492.3823861923. The cubic root of 240013912 is about 621.4585086862.

Adding to 240013912 its reverse (219310042), we get a palindrome (459323954).

The spelling of 240013912 in words is "two hundred forty million, thirteen thousand, nine hundred twelve".