40550012 has 12 divisors (see below), whose sum is σ = 74048016. Its totient is φ = 19393440.

The previous prime is 40549997. The next prime is 40550023. The reversal of 40550012 is 21005504.

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, 220289 + ... + 220472.

It is an arithmetic number, because the mean of its divisors is an integer number (6170668).

Almost surely, 2^40550012 is an apocalyptic number.

It is an amenable number.

40550012 is a deficient number, since it is larger than the sum of its proper divisors (33498004).

40550012 is a wasteful number, since it uses less digits than its factorization.

40550012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440788 (or 440786 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 40550012 is about 6367.8891322007. The cubic root of 40550012 is about 343.5555712839. Note that the first 4 decimals are identical.

Adding to 40550012 its reverse (21005504), we get a palindrome (61555516).

The spelling of 40550012 in words is "forty million, five hundred fifty thousand, twelve".