40443832386 has 64 divisors (see below), whose sum is σ = 90349405440. Its totient is φ = 13410334080.

The previous prime is 40443832333. The next prime is 40443832391. The reversal of 40443832386 is 68323834404.

40443832386 is a `hidden beast` number, since 404 + 4 + 3 + 8 + 3 + 238 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9141771 + ... + 9146193.

It is an arithmetic number, because the mean of its divisors is an integer number (1411709460).

Almost surely, 2^40443832386 is an apocalyptic number.

40443832386 is an abundant number, since it is smaller than the sum of its proper divisors (49905573054).

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

40443832386 is a wasteful number, since it uses less digits than its factorization.

40443832386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288 (or 5282 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 45.

The spelling of 40443832386 in words is "forty billion, four hundred forty-three million, eight hundred thirty-two thousand, three hundred eighty-six".