40055131 has 8 divisors (see below), whose sum is σ = 41606144. Its totient is φ = 38520360.

The previous prime is 40055107. The next prime is 40055137. The reversal of 40055131 is 13155004.

40055131 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40055131 is a prime.

It is a super-2 number, since 2×40055131² = 3208827038854322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40055099 and 40055108.

It is not an unprimeable number, because it can be changed into a prime (40055137) 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, 1090 + ... + 9016.

It is an arithmetic number, because the mean of its divisors is an integer number (5200768).

Almost surely, 2^40055131 is an apocalyptic number.

40055131 is a deficient number, since it is larger than the sum of its proper divisors (1551013).

40055131 is a wasteful number, since it uses less digits than its factorization.

40055131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8121.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 40055131 is about 6328.9123078140. The cubic root of 40055131 is about 342.1522383450.

It can be divided in two parts, 40055 and 131, that added together give a triangular number (40186 = T₂₈₃).

The spelling of 40055131 in words is "forty million, fifty-five thousand, one hundred thirty-one".