40505443532 has 12 divisors (see below), whose sum is σ = 70906762416. Its totient is φ = 20246368560.

The previous prime is 40505443523. The next prime is 40505443571. The reversal of 40505443532 is 23534450504.

It is a junction number, because it is equal to n+sod(n) for n = 40505443492 and 40505443501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1573943 + ... + 1599470.

It is an arithmetic number, because the mean of its divisors is an integer number (5908896868).

Almost surely, 2^40505443532 is an apocalyptic number.

It is an amenable number.

40505443532 is a deficient number, since it is larger than the sum of its proper divisors (30401318884).

40505443532 is a wasteful number, since it uses less digits than its factorization.

40505443532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176608 (or 3176606 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

The spelling of 40505443532 in words is "forty billion, five hundred five million, four hundred forty-three thousand, five hundred thirty-two".