40632738 has 8 divisors (see below), whose sum is σ = 81265488. Its totient is φ = 13544244.

The previous prime is 40632731. The next prime is 40632751. The reversal of 40632738 is 83723604.

It is a sphenic number, since it is the product of 3 distinct primes.

40632738 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 40632699 and 40632708.

It is not an unprimeable number, because it can be changed into a prime (40632731) 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, 3386056 + ... + 3386067.

It is an arithmetic number, because the mean of its divisors is an integer number (10158186).

Almost surely, 2^40632738 is an apocalyptic number.

40632738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40632738 is a wasteful number, since it uses less digits than its factorization.

40632738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6772128.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 40632738 is about 6374.3813817499. The cubic root of 40632738 is about 343.7890416042.

The spelling of 40632738 in words is "forty million, six hundred thirty-two thousand, seven hundred thirty-eight".