40053634 has 8 divisors (see below), whose sum is σ = 63242640. Its totient is φ = 18972756.

The previous prime is 40053623. The next prime is 40053659. The reversal of 40053634 is 43635004.

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 = 40053599 and 40053608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526984 + ... + 527059.

It is an arithmetic number, because the mean of its divisors is an integer number (7905330).

Almost surely, 2^40053634 is an apocalyptic number.

40053634 is a deficient number, since it is larger than the sum of its proper divisors (23189006).

40053634 is a wasteful number, since it uses less digits than its factorization.

40053634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054064.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 40053634 is about 6328.7940399416. The cubic root of 40053634 is about 342.1479758176.

Adding to 40053634 its reverse (43635004), we get a palindrome (83688638).

The spelling of 40053634 in words is "forty million, fifty-three thousand, six hundred thirty-four".