240221343412 has 24 divisors (see below), whose sum is σ = 421813332360. Its totient is φ = 119703429120.

The previous prime is 240221343391. The next prime is 240221343469. The reversal of 240221343412 is 214343122042.

It can be written as a sum of positive squares in 4 ways, for example, as 10153383696 + 230067959716 = 100764^2 + 479654^2 .

It is a congruent number.

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, 5966164 + ... + 6006292.

It is an arithmetic number, because the mean of its divisors is an integer number (17575555515).

Almost surely, 2^240221343412 is an apocalyptic number.

It is an amenable number.

240221343412 is a deficient number, since it is larger than the sum of its proper divisors (181591988948).

240221343412 is a wasteful number, since it uses less digits than its factorization.

240221343412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45171 (or 45169 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 240221343412 its reverse (214343122042), we get a palindrome (454564465454).

The spelling of 240221343412 in words is "two hundred forty billion, two hundred twenty-one million, three hundred forty-three thousand, four hundred twelve".