40043421224 has 16 divisors (see below), whose sum is σ = 75191353920. Its totient is φ = 19992393520.

The previous prime is 40043421221. The next prime is 40043421263. The reversal of 40043421224 is 42212434004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40043421193 and 40043421202.

It is not an unprimeable number, because it can be changed into a prime (40043421221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3658832 + ... + 3669759.

It is an arithmetic number, because the mean of its divisors is an integer number (4699459620).

Almost surely, 2^40043421224 is an apocalyptic number.

It is an amenable number.

40043421224 is a deficient number, since it is larger than the sum of its proper divisors (35147932696).

40043421224 is a wasteful number, since it uses less digits than its factorization.

40043421224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7329280 (or 7329276 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 40043421224 its reverse (42212434004), we get a palindrome (82255855228).

The spelling of 40043421224 in words is "forty billion, forty-three million, four hundred twenty-one thousand, two hundred twenty-four".