40134272 has 16 divisors (see below), whose sum is σ = 79955250. Its totient is φ = 20067072.

The previous prime is 40134271. The next prime is 40134277. The reversal of 40134272 is 27243104.

It can be written as a sum of positive squares in only one way, i.e., 37650496 + 2483776 = 6136^2 + 1576^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×40134272² = 3221519577939968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40134271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156647 + ... + 156902.

Almost surely, 2^40134272 is an apocalyptic number.

It is an amenable number.

40134272 is a deficient number, since it is larger than the sum of its proper divisors (39820978).

40134272 is an equidigital number, since it uses as much as digits as its factorization.

40134272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313563 (or 313551 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 40134272 is about 6335.1615606865. The cubic root of 40134272 is about 342.3774317672.

Adding to 40134272 its reverse (27243104), we get a palindrome (67377376).

The spelling of 40134272 in words is "forty million, one hundred thirty-four thousand, two hundred seventy-two".