40551412 has 24 divisors (see below), whose sum is σ = 79067520. Its totient is φ = 18039360.

The previous prime is 40551361. The next prime is 40551431. The reversal of 40551412 is 21415504.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7737 + ... + 11872.

It is an arithmetic number, because the mean of its divisors is an integer number (3294480).

Almost surely, 2^40551412 is an apocalyptic number.

It is an amenable number.

40551412 is a deficient number, since it is larger than the sum of its proper divisors (38516108).

40551412 is a wasteful number, since it uses less digits than its factorization.

40551412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19671 (or 19669 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 40551412 is about 6367.9990577889. Note that the first 3 decimals coincide. The cubic root of 40551412 is about 343.5595250210.

Adding to 40551412 its reverse (21415504), we get a palindrome (61966916).

The spelling of 40551412 in words is "forty million, five hundred fifty-one thousand, four hundred twelve".