40433424432 has 80 divisors (see below), whose sum is σ = 105806844000. Its totient is φ = 13304051712.

The previous prime is 40433424413. The next prime is 40433424503. The reversal of 40433424432 is 23442433404.

It is a super-2 number, since 2×40433424432² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40433424393 and 40433424402.

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, 1393044 + ... + 1421772.

It is an arithmetic number, because the mean of its divisors is an integer number (1322585550).

Almost surely, 2^40433424432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40433424432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52903422000).

40433424432 is an abundant number, since it is smaller than the sum of its proper divisors (65373419568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40433424432 is a wasteful number, since it uses less digits than its factorization.

40433424432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29118 (or 29112 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 33.

Adding to 40433424432 its reverse (23442433404), we get a palindrome (63875857836).

The spelling of 40433424432 in words is "forty billion, four hundred thirty-three million, four hundred twenty-four thousand, four hundred thirty-two".