40127636 has 6 divisors (see below), whose sum is σ = 70223370. Its totient is φ = 20063816.

The previous prime is 40127629. The next prime is 40127641. The reversal of 40127636 is 63672104.

It can be written as a sum of positive squares in only one way, i.e., 34810000 + 5317636 = 5900^2 + 2306^2 .

It is a super-2 number, since 2×40127636² = 3220454341896992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40127599 and 40127608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015951 + ... + 5015958.

It is an arithmetic number, because the mean of its divisors is an integer number (11703895).

Almost surely, 2^40127636 is an apocalyptic number.

It is an amenable number.

40127636 is a deficient number, since it is larger than the sum of its proper divisors (30095734).

40127636 is a wasteful number, since it uses less digits than its factorization.

40127636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10031913 (or 10031911 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 40127636 is about 6334.6377954860. The cubic root of 40127636 is about 342.3585605984.

The spelling of 40127636 in words is "forty million, one hundred twenty-seven thousand, six hundred thirty-six".