40851382 has 16 divisors (see below), whose sum is σ = 71990352. Its totient is φ = 17140320.

The previous prime is 40851379. The next prime is 40851403. The reversal of 40851382 is 28315804.

It is a super-2 number, since 2×40851382² = 3337670822619848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71133 + ... + 71704.

It is an arithmetic number, because the mean of its divisors is an integer number (4499397).

Almost surely, 2^40851382 is an apocalyptic number.

40851382 is a deficient number, since it is larger than the sum of its proper divisors (31138970).

40851382 is a wasteful number, since it uses less digits than its factorization.

40851382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142863.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 40851382 is about 6391.5085856158. The cubic root of 40851382 is about 344.4045796466.

The spelling of 40851382 in words is "forty million, eight hundred fifty-one thousand, three hundred eighty-two".