40134434 has 8 divisors (see below), whose sum is σ = 62277660. Its totient is φ = 19375216.

The previous prime is 40134431. The next prime is 40134439. The reversal of 40134434 is 43443104.

It can be written as a sum of positive squares in 2 ways, for example, as 40132225 + 2209 = 6335^2 + 47^2 .

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

It is a super-2 number, since 2×40134434² = 3221545585000712, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40134431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345929 + ... + 346044.

Almost surely, 2^40134434 is an apocalyptic number.

40134434 is a deficient number, since it is larger than the sum of its proper divisors (22143226).

40134434 is a wasteful number, since it uses less digits than its factorization.

40134434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692004.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 40134434 is about 6335.1743464565. The cubic root of 40134434 is about 342.3778924298.

Adding to 40134434 its reverse (43443104), we get a palindrome (83577538).

The spelling of 40134434 in words is "forty million, one hundred thirty-four thousand, four hundred thirty-four".