40376128 has 42 divisors (see below), whose sum is σ = 86781894. Its totient is φ = 18630144.

The previous prime is 40376117. The next prime is 40376137. The reversal of 40376128 is 82167304.

It can be written as a sum of positive squares in 3 ways, for example, as 28224 + 40347904 = 168^2 + 6352^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40376128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8950 + ... + 12682.

Almost surely, 2^40376128 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 40376128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43390947).

40376128 is an abundant number, since it is smaller than the sum of its proper divisors (46405766).

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

40376128 is a wasteful number, since it uses less digits than its factorization.

40376128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771 (or 3748 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 40376128 is about 6354.2212740823. The cubic root of 40376128 is about 343.0637965805.

It can be divided in two parts, 40376 and 128, that added together give a palindrome (40504).

The spelling of 40376128 in words is "forty million, three hundred seventy-six thousand, one hundred twenty-eight".