40126633 has 6 divisors (see below), whose sum is σ = 41558894. Its totient is φ = 38742144.

The previous prime is 40126631. The next prime is 40126663. The reversal of 40126633 is 33662104.

It can be written as a sum of positive squares in 3 ways, for example, as 1338649 + 38787984 = 1157^2 + 6228^2 .

It is not a de Polignac number, because 40126633 - 2¹ = 40126631 is a prime.

It is a super-2 number, since 2×40126633² = 3220293351833378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40126598 and 40126607.

It is not an unprimeable number, because it can be changed into a prime (40126631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23016 + ... + 24697.

Almost surely, 2^40126633 is an apocalyptic number.

It is an amenable number.

40126633 is a deficient number, since it is larger than the sum of its proper divisors (1432261).

40126633 is an equidigital number, since it uses as much as digits as its factorization.

40126633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47771 (or 47742 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 40126633 is about 6334.5586270868. The cubic root of 40126633 is about 342.3557081295.

Adding to 40126633 its reverse (33662104), we get a palindrome (73788737).

The spelling of 40126633 in words is "forty million, one hundred twenty-six thousand, six hundred thirty-three".