40424423321432 has 32 divisors (see below), whose sum is σ = 76268026537200. Its totient is φ = 20086306418304.

The previous prime is 40424423321393. The next prime is 40424423321441. The reversal of 40424423321432 is 23412332442404.

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, 12344258 + ... + 15271854.

Almost surely, 2^{40424423321432} is an apocalyptic number.

It is an amenable number.

40424423321432 is a deficient number, since it is larger than the sum of its proper divisors (35843603215768).

40424423321432 is a wasteful number, since it uses less digits than its factorization.

40424423321432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938355 (or 2938351 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 40424423321432 its reverse (23412332442404), we get a palindrome (63836755763836).

The spelling of 40424423321432 in words is "forty trillion, four hundred twenty-four billion, four hundred twenty-three million, three hundred twenty-one thousand, four hundred thirty-two".