40140553 has 8 divisors (see below), whose sum is σ = 43967880. Its totient is φ = 36476160.

The previous prime is 40140539. The next prime is 40140601. The reversal of 40140553 is 35504104.

40140553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 24482704 + 15657849 = 4948^2 + 3957^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40140553 - 2¹³ = 40132361 is a prime.

It is a super-2 number, since 2×40140553² = 3222527990291618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40140053) 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 7 ways as a sum of consecutive naturals, for example, 40218 + ... + 41203.

It is an arithmetic number, because the mean of its divisors is an integer number (5495985).

Almost surely, 2^40140553 is an apocalyptic number.

It is an amenable number.

40140553 is a deficient number, since it is larger than the sum of its proper divisors (3827327).

40140553 is a wasteful number, since it uses less digits than its factorization.

40140553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81467.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 40140553 is about 6335.6572666141. The cubic root of 40140553 is about 342.3952914864.

Adding to 40140553 its reverse (35504104), we get a palindrome (75644657).

The spelling of 40140553 in words is "forty million, one hundred forty thousand, five hundred fifty-three".