40127752 has 64 divisors (see below), whose sum is σ = 92672640. Its totient is φ = 15897600.

The previous prime is 40127741. The next prime is 40127777. The reversal of 40127752 is 25772104.

It is a super-2 number, since 2×40127752² = 3220472961147008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 40127752.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57727 + ... + 58417.

It is an arithmetic number, because the mean of its divisors is an integer number (1448010).

Almost surely, 2^40127752 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 40127752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46336320).

40127752 is an abundant number, since it is smaller than the sum of its proper divisors (52544888).

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

40127752 is a wasteful number, since it uses less digits than its factorization.

40127752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 40127752 is about 6334.6469514883. The cubic root of 40127752 is about 342.3588904920.

Adding to 40127752 its reverse (25772104), we get a palindrome (65899856).

The spelling of 40127752 in words is "forty million, one hundred twenty-seven thousand, seven hundred fifty-two".