40477131 has 8 divisors (see below), whose sum is σ = 59966160. Its totient is φ = 26984736.

The previous prime is 40477123. The next prime is 40477133. The reversal of 40477131 is 13177404.

40477131 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 40477131 - 2³ = 40477123 is a prime.

It is a super-2 number, since 2×40477131² = 3276796267982322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1499153 = 40477131 / (4 + 0 + 4 + 7 + 7 + 1 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 40477095 and 40477104.

It is not an unprimeable number, because it can be changed into a prime (40477133) 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, 749550 + ... + 749603.

It is an arithmetic number, because the mean of its divisors is an integer number (7495770).

Almost surely, 2^40477131 is an apocalyptic number.

40477131 is a deficient number, since it is larger than the sum of its proper divisors (19489029).

40477131 is a wasteful number, since it uses less digits than its factorization.

40477131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499162 (or 1499156 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 40477131 is about 6362.1640186339. The cubic root of 40477131 is about 343.3496223983.

The spelling of 40477131 in words is "forty million, four hundred seventy-seven thousand, one hundred thirty-one".