40858656382 has 4 divisors (see below), whose sum is σ = 61287984576. Its totient is φ = 20429328190.

The previous prime is 40858656361. The next prime is 40858656389. The reversal of 40858656382 is 28365685804.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40858656389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10214664094 + ... + 10214664097.

It is an arithmetic number, because the mean of its divisors is an integer number (15321996144).

Almost surely, 2^40858656382 is an apocalyptic number.

40858656382 is a deficient number, since it is larger than the sum of its proper divisors (20429328194).

40858656382 is a wasteful number, since it uses less digits than its factorization.

40858656382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20429328193.

The product of its (nonzero) digits is 11059200, while the sum is 55.

The spelling of 40858656382 in words is "forty billion, eight hundred fifty-eight million, six hundred fifty-six thousand, three hundred eighty-two".