40819350 has 144 divisors (see below), whose sum is σ = 120523536. Its totient is φ = 9081600.

The previous prime is 40819333. The next prime is 40819351. The reversal of 40819350 is 5391804.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40819351) 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, 235864 + ... + 236036.

It is an arithmetic number, because the mean of its divisors is an integer number (836969).

Almost surely, 2^40819350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40819350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60261768).

40819350 is an abundant number, since it is smaller than the sum of its proper divisors (79704186).

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

40819350 is a wasteful number, since it uses less digits than its factorization.

40819350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 40819350 is about 6389.0022695253. The cubic root of 40819350 is about 344.3145390193.

It can be divided in two parts, 4081 and 9350, that added together give a palindrome (13431).

The spelling of 40819350 in words is "forty million, eight hundred nineteen thousand, three hundred fifty".