40424434312 has 8 divisors (see below), whose sum is σ = 75795814350. Its totient is φ = 20212217152.

The previous prime is 40424434243. The next prime is 40424434373. The reversal of 40424434312 is 21343442404.

It can be written as a sum of positive squares in only one way, i.e., 36692934916 + 3731499396 = 191554^2 + 61086^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2526527137 + ... + 2526527152.

Almost surely, 2^40424434312 is an apocalyptic number.

It is an amenable number.

40424434312 is a deficient number, since it is larger than the sum of its proper divisors (35371380038).

40424434312 is a wasteful number, since it uses less digits than its factorization.

40424434312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053054295 (or 5053054291 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 40424434312 its reverse (21343442404), we get a palindrome (61767876716).

The spelling of 40424434312 in words is "forty billion, four hundred twenty-four million, four hundred thirty-four thousand, three hundred twelve".