40551142 has 8 divisors (see below), whose sum is σ = 61079832. Its totient is φ = 20191200.

The previous prime is 40551127. The next prime is 40551143. The reversal of 40551142 is 24115504.

40551142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40551143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41584 + ... + 42547.

It is an arithmetic number, because the mean of its divisors is an integer number (7634979).

Almost surely, 2^40551142 is an apocalyptic number.

40551142 is a deficient number, since it is larger than the sum of its proper divisors (20528690).

40551142 is a wasteful number, since it uses less digits than its factorization.

40551142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84374.

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

The square root of 40551142 is about 6367.9778580017. The cubic root of 40551142 is about 343.5587625217.

Adding to 40551142 its reverse (24115504), we get a palindrome (64666646).

The spelling of 40551142 in words is "forty million, five hundred fifty-one thousand, one hundred forty-two".