240646446012 has 96 divisors (see below), whose sum is σ = 648671063040. Its totient is φ = 68012513280.

The previous prime is 240646445957. The next prime is 240646446013. The reversal of 240646446012 is 210644646042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240646446013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18807337 + ... + 18820127.

It is an arithmetic number, because the mean of its divisors is an integer number (6756990240).

Almost surely, 2^240646446012 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 240646446012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324335531520).

240646446012 is an abundant number, since it is smaller than the sum of its proper divisors (408024617028).

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

240646446012 is a wasteful number, since it uses less digits than its factorization.

240646446012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15211 (or 15209 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 39.

The spelling of 240646446012 in words is "two hundred forty billion, six hundred forty-six million, four hundred forty-six thousand, twelve".