40635552 has 24 divisors (see below), whose sum is σ = 106668576. Its totient is φ = 13545152.

The previous prime is 40635499. The next prime is 40635557. The reversal of 40635552 is 25553604.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (40635557) 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, 211548 + ... + 211739.

It is an arithmetic number, because the mean of its divisors is an integer number (4444524).

Almost surely, 2^40635552 is an apocalyptic number.

It is an amenable number.

40635552 is an abundant number, since it is smaller than the sum of its proper divisors (66033024).

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

40635552 is a wasteful number, since it uses less digits than its factorization.

40635552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423300 (or 423292 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 40635552 is about 6374.6021052298. The cubic root of 40635552 is about 343.7969777339.

The spelling of 40635552 in words is "forty million, six hundred thirty-five thousand, five hundred fifty-two".