40240160 has 24 divisors (see below), whose sum is σ = 95067756. Its totient is φ = 16096000.

The previous prime is 40240129. The next prime is 40240163. The reversal of 40240160 is 6104204.

It can be written as a sum of positive squares in 2 ways, for example, as 38291344 + 1948816 = 6188^2 + 1396^2 .

It is not an unprimeable number, because it can be changed into a prime (40240163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125591 + ... + 125910.

Almost surely, 2^40240160 is an apocalyptic number.

40240160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40240160 is an abundant number, since it is smaller than the sum of its proper divisors (54827596).

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

40240160 is a wasteful number, since it uses less digits than its factorization.

40240160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251516 (or 251508 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 40240160 is about 6343.5132221822. The cubic root of 40240160 is about 342.6782704531.

Adding to 40240160 its reverse (6104204), we get a palindrome (46344364).

The spelling of 40240160 in words is "forty million, two hundred forty thousand, one hundred sixty".