40634001 has 16 divisors (see below), whose sum is σ = 60755200. Its totient is φ = 26838864.

The previous prime is 40633937. The next prime is 40634003. The reversal of 40634001 is 10043604.

It is not a de Polignac number, because 40634001 - 2⁶ = 40633937 is a prime.

It is a super-2 number, since 2×40634001² = 3302244074536002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40634003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3961 + ... + 9846.

It is an arithmetic number, because the mean of its divisors is an integer number (3797200).

Almost surely, 2^40634001 is an apocalyptic number.

It is an amenable number.

40634001 is a deficient number, since it is larger than the sum of its proper divisors (20121199).

40634001 is a wasteful number, since it uses less digits than its factorization.

40634001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13925 (or 13919 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 40634001 is about 6374.4804494170. The cubic root of 40634001 is about 343.7926036011.

Adding to 40634001 its reverse (10043604), we get a palindrome (50677605).

The spelling of 40634001 in words is "forty million, six hundred thirty-four thousand, one".