40063650 has 48 divisors (see below), whose sum is σ = 108394848. Its totient is φ = 9712000.

The previous prime is 40063633. The next prime is 40063657. The reversal of 40063650 is 5636004.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40063650.

It is not an unprimeable number, because it can be changed into a prime (40063657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10491 + ... + 13790.

It is an arithmetic number, because the mean of its divisors is an integer number (2258226).

Almost surely, 2^40063650 is an apocalyptic number.

40063650 is an abundant number, since it is smaller than the sum of its proper divisors (68331198).

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

40063650 is a wasteful number, since it uses less digits than its factorization.

40063650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24307 (or 24302 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 40063650 is about 6329.5852944723. The cubic root of 40063650 is about 342.1764931511.

Adding to 40063650 its reverse (5636004), we get a palindrome (45699654).

The spelling of 40063650 in words is "forty million, sixty-three thousand, six hundred fifty".