240402221312 has 72 divisors (see below), whose sum is σ = 554283106272. Its totient is φ = 102845849600.

The previous prime is 240402221273. The next prime is 240402221327. The reversal of 240402221312 is 213122204042.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2463014 + ... + 2558757.

It is an arithmetic number, because the mean of its divisors is an integer number (7698376476).

Almost surely, 2^240402221312 is an apocalyptic number.

240402221312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

240402221312 is an abundant number, since it is smaller than the sum of its proper divisors (313880884960).

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

240402221312 is a wasteful number, since it uses less digits than its factorization.

240402221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021815 (or 5021801 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 240402221312 its reverse (213122204042), we get a palindrome (453524425354).

The spelling of 240402221312 in words is "two hundred forty billion, four hundred two million, two hundred twenty-one thousand, three hundred twelve".