240440214212 has 48 divisors (see below), whose sum is σ = 466907293440. Its totient is φ = 107414445600.

The previous prime is 240440214169. The next prime is 240440214269. The reversal of 240440214212 is 212412044042.

It is a happy number.

It is a super-2 number, since 2×240440214212² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16677287 + ... + 16691697.

It is an arithmetic number, because the mean of its divisors is an integer number (9727235280).

Almost surely, 2^240440214212 is an apocalyptic number.

240440214212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

240440214212 is a deficient number, since it is larger than the sum of its proper divisors (226467079228).

240440214212 is a wasteful number, since it uses less digits than its factorization.

240440214212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20912 (or 20910 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 240440214212 its reverse (212412044042), we get a palindrome (452852258254).

The spelling of 240440214212 in words is "two hundred forty billion, four hundred forty million, two hundred fourteen thousand, two hundred twelve".