40127832 has 64 divisors (see below), whose sum is σ = 114501600. Its totient is φ = 13011840.

The previous prime is 40127827. The next prime is 40127839. The reversal of 40127832 is 23872104.

It is a super-2 number, since 2×40127832² = 3220485802040448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 40127796 and 40127805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40127839) 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 15 ways as a sum of consecutive naturals, for example, 5482 + ... + 10502.

Almost surely, 2^40127832 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 40127832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57250800).

40127832 is an abundant number, since it is smaller than the sum of its proper divisors (74373768).

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

40127832 is a wasteful number, since it uses less digits than its factorization.

40127832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5073 (or 5063 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 40127832 is about 6334.6532659649. The cubic root of 40127832 is about 342.3591180045.

Adding to 40127832 its reverse (23872104), we get a palindrome (63999936).

The spelling of 40127832 in words is "forty million, one hundred twenty-seven thousand, eight hundred thirty-two".