40069152 has 54 divisors (see below), whose sum is σ = 114252957. Its totient is φ = 13320576.

The previous prime is 40069129. The next prime is 40069171. The reversal of 40069152 is 25196004.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

40069152 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 2 ways, for example, as 39992976 + 76176 = 6324^2 + 276^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4476.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 107238 + ... + 107610.

Almost surely, 2^40069152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40069152

40069152 is an abundant number, since it is smaller than the sum of its proper divisors (74183805).

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

40069152 is an equidigital number, since it uses as much as digits as its factorization.

40069152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 40069152 is about 6330.0199051820. The cubic root of 40069152 is about 342.1921563012.

The spelling of 40069152 in words is "forty million, sixty-nine thousand, one hundred fifty-two".