40632642 has 24 divisors (see below), whose sum is σ = 88536240. Its totient is φ = 13467480.

The previous prime is 40632617. The next prime is 40632643. The reversal of 40632642 is 24623604.

It is not an unprimeable number, because it can be changed into a prime (40632643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3084 + ... + 9527.

It is an arithmetic number, because the mean of its divisors is an integer number (3689010).

Almost surely, 2^40632642 is an apocalyptic number.

40632642 is an abundant number, since it is smaller than the sum of its proper divisors (47903598).

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

40632642 is a wasteful number, since it uses less digits than its factorization.

40632642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12798 (or 12795 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 40632642 is about 6374.3738516030. The cubic root of 40632642 is about 343.7887708556.

The spelling of 40632642 in words is "forty million, six hundred thirty-two thousand, six hundred forty-two".