40631626 has 8 divisors (see below), whose sum is σ = 69654240. Its totient is φ = 17413548.

The previous prime is 40631623. The next prime is 40631677. The reversal of 40631626 is 62613604.

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 = 40631594 and 40631603.

It is not an unprimeable number, because it can be changed into a prime (40631623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451116 + ... + 1451143.

It is an arithmetic number, because the mean of its divisors is an integer number (8706780).

Almost surely, 2^40631626 is an apocalyptic number.

40631626 is a deficient number, since it is larger than the sum of its proper divisors (29022614).

40631626 is a wasteful number, since it uses less digits than its factorization.

40631626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902268.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 40631626 is about 6374.2941570028. The cubic root of 40631626 is about 343.7859054065.

The spelling of 40631626 in words is "forty million, six hundred thirty-one thousand, six hundred twenty-six".