40755538 has 8 divisors (see below), whose sum is σ = 61163388. Its totient is φ = 20367744.

The previous prime is 40755521. The next prime is 40755553. The reversal of 40755538 is 83555704.

40755538 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 2 ways, for example, as 36687249 + 4068289 = 6057^2 + 2017^2 .

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

It is a super-2 number, since 2×40755538² = 3322027755338888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40755497 and 40755506.

It is an unprimeable number.

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, 2070 + ... + 9262.

Almost surely, 2^40755538 is an apocalyptic number.

40755538 is a deficient number, since it is larger than the sum of its proper divisors (20407850).

40755538 is a wasteful number, since it uses less digits than its factorization.

40755538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10028.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 40755538 is about 6384.0064223025. The cubic root of 40755538 is about 344.1350256394.

It can be divided in two parts, 407 and 55538, that added together give a triangular number (55945 = T₃₃₄).

The spelling of 40755538 in words is "forty million, seven hundred fifty-five thousand, five hundred thirty-eight".