40450050 has 144 divisors (see below), whose sum is σ = 119054880. Its totient is φ = 10095840.

The previous prime is 40450043. The next prime is 40450051. The reversal of 40450050 is 5005404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (40450051) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 487309 + ... + 487391.

It is an arithmetic number, because the mean of its divisors is an integer number (826770).

Almost surely, 2^40450050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40450050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59527440).

40450050 is an abundant number, since it is smaller than the sum of its proper divisors (78604830).

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

40450050 is a wasteful number, since it uses less digits than its factorization.

40450050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 40450050 is about 6360.0353772601. The cubic root of 40450050 is about 343.2730332617.

Adding to 40450050 its reverse (5005404), we get a palindrome (45455454).

It can be divided in two parts, 404500 and 50, that added together give a triangular number (404550 = T₈₉₉).

The spelling of 40450050 in words is "forty million, four hundred fifty thousand, fifty".