40671996 has 12 divisors (see below), whose sum is σ = 94901352. Its totient is φ = 13557328.

The previous prime is 40671979. The next prime is 40672039. The reversal of 40671996 is 69917604.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×40671996² = 3308422517248032, which contains 22 as substring.

It is a congruent number.

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, 1694655 + ... + 1694678.

It is an arithmetic number, because the mean of its divisors is an integer number (7908446).

Almost surely, 2^40671996 is an apocalyptic number.

It is an amenable number.

40671996 is an abundant number, since it is smaller than the sum of its proper divisors (54229356).

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

40671996 is a wasteful number, since it uses less digits than its factorization.

40671996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389340 (or 3389338 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 40671996 is about 6377.4599959545. The cubic root of 40671996 is about 343.8997251448.

The spelling of 40671996 in words is "forty million, six hundred seventy-one thousand, nine hundred ninety-six".