40127320 has 32 divisors (see below), whose sum is σ = 90493200. Its totient is φ = 16014208.

The previous prime is 40127291. The next prime is 40127323. The reversal of 40127320 is 2372104.

It is a super-2 number, since 2×40127320² = 3220403620764800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40127323) 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 7 ways as a sum of consecutive naturals, for example, 22626 + ... + 24334.

Almost surely, 2^40127320 is an apocalyptic number.

40127320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40127320 is an abundant number, since it is smaller than the sum of its proper divisors (50365880).

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

40127320 is a wasteful number, since it uses less digits than its factorization.

40127320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307 (or 2303 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 40127320 is about 6334.6128532058. The cubic root of 40127320 is about 342.3576619194.

Adding to 40127320 its reverse (2372104), we get a palindrome (42499424).

The spelling of 40127320 in words is "forty million, one hundred twenty-seven thousand, three hundred twenty".