40002634 has 16 divisors (see below), whose sum is σ = 70249536. Its totient is φ = 16725600.

The previous prime is 40002583. The next prime is 40002647. The reversal of 40002634 is 43620004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34272 + ... + 35419.

It is an arithmetic number, because the mean of its divisors is an integer number (4390596).

Almost surely, 2^40002634 is an apocalyptic number.

40002634 is a deficient number, since it is larger than the sum of its proper divisors (30246902).

40002634 is a wasteful number, since it uses less digits than its factorization.

40002634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69741.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 40002634 is about 6324.7635528927. The cubic root of 40002634 is about 342.0026959650.

Adding to 40002634 its reverse (43620004), we get a palindrome (83622638).

The spelling of 40002634 in words is "forty million, two thousand, six hundred thirty-four".