40379982 has 16 divisors (see below), whose sum is σ = 80833152. Its totient is φ = 13447800.

The previous prime is 40379971. The next prime is 40379993. The reversal of 40379982 is 28997304.

It is an interprime number because it is at equal distance from previous prime (40379971) and next prime (40379993).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6357 + ... + 11007.

It is an arithmetic number, because the mean of its divisors is an integer number (5052072).

Almost surely, 2^40379982 is an apocalyptic number.

40379982 is an abundant number, since it is smaller than the sum of its proper divisors (40453170).

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

40379982 is a wasteful number, since it uses less digits than its factorization.

40379982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6103.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 40379982 is about 6354.5245298134. The cubic root of 40379982 is about 343.0747116589.

The spelling of 40379982 in words is "forty million, three hundred seventy-nine thousand, nine hundred eighty-two".