40553073 has 24 divisors (see below), whose sum is σ = 65634816. Its totient is φ = 23911200.

The previous prime is 40553069. The next prime is 40553083. The reversal of 40553073 is 37035504.

It is a happy number.

40553073 is a `hidden beast` number, since 40 + 553 + 0 + 73 = 666.

40553073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40553073 - 2² = 40553069 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40553083) 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 23 ways as a sum of consecutive naturals, for example, 1873 + ... + 9198.

It is an arithmetic number, because the mean of its divisors is an integer number (2734784).

Almost surely, 2^40553073 is an apocalyptic number.

It is an amenable number.

40553073 is a deficient number, since it is larger than the sum of its proper divisors (25081743).

40553073 is a wasteful number, since it uses less digits than its factorization.

40553073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11125 (or 11122 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 40553073 is about 6368.1294741863. The cubic root of 40553073 is about 343.5642157297.

Adding to 40553073 its reverse (37035504), we get a palindrome (77588577).

The spelling of 40553073 in words is "forty million, five hundred fifty-three thousand, seventy-three".