240406011612 has 120 divisors (see below), whose sum is σ = 677085064656. Its totient is φ = 73941299712.

The previous prime is 240406011583. The next prime is 240406011613. The reversal of 240406011612 is 216110604042.

240406011612 is a `hidden beast` number, since 2 + 4 + 0 + 40 + 6 + 0 + 1 + 1 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240406011613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11922523 + ... + 11942669.

Almost surely, 2^240406011612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240406011612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338542532328).

240406011612 is an abundant number, since it is smaller than the sum of its proper divisors (436679053044).

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

240406011612 is a wasteful number, since it uses less digits than its factorization.

240406011612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23009 (or 22998 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 240406011612 its reverse (216110604042), we get a palindrome (456516615654).

The spelling of 240406011612 in words is "two hundred forty billion, four hundred six million, eleven thousand, six hundred twelve".