40993012 has 12 divisors (see below), whose sum is σ = 72808960. Its totient is φ = 20190456.

The previous prime is 40992949. The next prime is 40993063. The reversal of 40993012 is 21039904.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 76212 + ... + 76747.

Almost surely, 2^40993012 is an apocalyptic number.

It is an amenable number.

40993012 is a deficient number, since it is larger than the sum of its proper divisors (31815948).

40993012 is a wasteful number, since it uses less digits than its factorization.

40993012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153030 (or 153028 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 40993012 is about 6402.5785430559. The cubic root of 40993012 is about 344.8021325658.

The spelling of 40993012 in words is "forty million, nine hundred ninety-three thousand, twelve".