40341330 has 48 divisors (see below), whose sum is σ = 105991704. Its totient is φ = 10644480.

The previous prime is 40341317. The next prime is 40341341. The reversal of 40341330 is 3314304.

It can be written as a sum of positive squares in 4 ways, for example, as 29192409 + 11148921 = 5403^2 + 3339^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6420 + ... + 11040.

Almost surely, 2^40341330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40341330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52995852).

40341330 is an abundant number, since it is smaller than the sum of its proper divisors (65650374).

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

40341330 is a wasteful number, since it uses less digits than its factorization.

40341330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4731 (or 4728 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 40341330 is about 6351.4825041088. The cubic root of 40341330 is about 342.9652122125.

Adding to 40341330 its reverse (3314304), we get a palindrome (43655634).

The spelling of 40341330 in words is "forty million, three hundred forty-one thousand, three hundred thirty".