40634101 has 4 divisors (see below), whose sum is σ = 40647712. Its totient is φ = 40620492.

The previous prime is 40634089. The next prime is 40634117. The reversal of 40634101 is 10143604.

It is a happy number.

40634101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40634101 - 2²⁵ = 7079669 is a prime.

It is a super-2 number, since 2×40634101² = 3302260328156402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40634161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171 + ... + 9016.

It is an arithmetic number, because the mean of its divisors is an integer number (10161928).

Almost surely, 2^40634101 is an apocalyptic number.

It is an amenable number.

40634101 is a deficient number, since it is larger than the sum of its proper divisors (13611).

40634101 is an equidigital number, since it uses as much as digits as its factorization.

40634101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13610.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 40634101 is about 6374.4882931887. The cubic root of 40634101 is about 343.7928856247.

Adding to 40634101 its reverse (10143604), we get a palindrome (50777705).

The spelling of 40634101 in words is "forty million, six hundred thirty-four thousand, one hundred one".