40467138 has 8 divisors (see below), whose sum is σ = 80934288. Its totient is φ = 13489044.

The previous prime is 40467137. The next prime is 40467181. The reversal of 40467138 is 83176404.

40467138 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.

40467138 is an admirable number.

It is a super-2 number, since 2×40467138² = 3275178515822088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40467099 and 40467108.

It is not an unprimeable number, because it can be changed into a prime (40467137) 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 3 ways as a sum of consecutive naturals, for example, 3372256 + ... + 3372267.

It is an arithmetic number, because the mean of its divisors is an integer number (10116786).

Almost surely, 2^40467138 is an apocalyptic number.

40467138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40467138 is a wasteful number, since it uses less digits than its factorization.

40467138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6744528.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 40467138 is about 6361.3786241663. The cubic root of 40467138 is about 343.3213646711.

The spelling of 40467138 in words is "forty million, four hundred sixty-seven thousand, one hundred thirty-eight".