40026634 has 8 divisors (see below), whose sum is σ = 60571620. Its totient is φ = 19836096.

The previous prime is 40026629. The next prime is 40026643. The reversal of 40026634 is 43662004.

It can be written as a sum of positive squares in 2 ways, for example, as 34281025 + 5745609 = 5855^2 + 2397^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40026599 and 40026608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88329 + ... + 88780.

Almost surely, 2^40026634 is an apocalyptic number.

40026634 is a deficient number, since it is larger than the sum of its proper divisors (20544986).

40026634 is a wasteful number, since it uses less digits than its factorization.

40026634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177224.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 40026634 is about 6326.6605725296. The cubic root of 40026634 is about 342.0710783265.

Adding to 40026634 its reverse (43662004), we get a palindrome (83688638).

The spelling of 40026634 in words is "forty million, twenty-six thousand, six hundred thirty-four".