240042402012 has 96 divisors (see below), whose sum is σ = 657441275904. Its totient is φ = 66735705600.

The previous prime is 240042402007. The next prime is 240042402023. The reversal of 240042402012 is 210204240042.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 240042402012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1228062 + ... + 1410042.

It is an arithmetic number, because the mean of its divisors is an integer number (6848346624).

Almost surely, 2^240042402012 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 240042402012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328720637952).

240042402012 is an abundant number, since it is smaller than the sum of its proper divisors (417398873892).

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

240042402012 is a wasteful number, since it uses less digits than its factorization.

240042402012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182419 (or 182417 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 240042402012 its reverse (210204240042), we get a palindrome (450246642054).

The spelling of 240042402012 in words is "two hundred forty billion, forty-two million, four hundred two thousand, twelve".