40043134 has 8 divisors (see below), whose sum is σ = 62002368. Its totient is φ = 19375680.

The previous prime is 40043119. The next prime is 40043141. The reversal of 40043134 is 43134004.

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

It is a congruent number.

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, 322867 + ... + 322990.

It is an arithmetic number, because the mean of its divisors is an integer number (7750296).

Almost surely, 2^40043134 is an apocalyptic number.

40043134 is a deficient number, since it is larger than the sum of its proper divisors (21959234).

40043134 is a wasteful number, since it uses less digits than its factorization.

40043134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645890.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 40043134 is about 6327.9644436422. The cubic root of 40043134 is about 342.1180753453.

Adding to 40043134 its reverse (43134004), we get a palindrome (83177138).

It can be divided in two parts, 400 and 43134, that added together give a palindrome (43534).

The spelling of 40043134 in words is "forty million, forty-three thousand, one hundred thirty-four".