40181034 has 8 divisors (see below), whose sum is σ = 80362080. Its totient is φ = 13393676.

The previous prime is 40181017. The next prime is 40181041. The reversal of 40181034 is 43018104.

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

40181034 is an admirable number.

It is a super-2 number, since 2×40181034² = 3229030986618312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40181034.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3348414 + ... + 3348425.

It is an arithmetic number, because the mean of its divisors is an integer number (10045260).

Almost surely, 2^40181034 is an apocalyptic number.

40181034 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.

40181034 is a wasteful number, since it uses less digits than its factorization.

40181034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6696844.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 40181034 is about 6338.8511577414. The cubic root of 40181034 is about 342.5103525739.

Adding to 40181034 its reverse (43018104), we get a palindrome (83199138).

The spelling of 40181034 in words is "forty million, one hundred eighty-one thousand, thirty-four".