40635455250 has 128 divisors (see below), whose sum is σ = 109335163392. Its totient is φ = 9992774400.

The previous prime is 40635455227. The next prime is 40635455251. The reversal of 40635455250 is 5255453604.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 40635455199 and 40635455208.

It is not an unprimeable number, because it can be changed into a prime (40635455251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19469707 + ... + 19471793.

It is an arithmetic number, because the mean of its divisors is an integer number (854180964).

Almost surely, 2^40635455250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40635455250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54667581696).

40635455250 is an abundant number, since it is smaller than the sum of its proper divisors (68699708142).

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

40635455250 is a wasteful number, since it uses less digits than its factorization.

40635455250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117 (or 4107 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 40635455250 in words is "forty billion, six hundred thirty-five million, four hundred fifty-five thousand, two hundred fifty".