40341420 has 144 divisors (see below), whose sum is σ = 141680448. Its totient is φ = 9100800.

The previous prime is 40341383. The next prime is 40341421. The reversal of 40341420 is 2414304.

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

It is a junction number, because it is equal to n+sod(n) for n = 40341393 and 40341402.

It is not an unprimeable number, because it can be changed into a prime (40341421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127102 + ... + 127418.

It is an arithmetic number, because the mean of its divisors is an integer number (983892).

Almost surely, 2^40341420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40341420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70840224).

40341420 is an abundant number, since it is smaller than the sum of its proper divisors (101339028).

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

40341420 is a wasteful number, since it uses less digits than its factorization.

40341420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 40341420 is about 6351.4895890649. The cubic root of 40341420 is about 342.9654672598.

Adding to 40341420 its reverse (2414304), we get a palindrome (42755724).

The spelling of 40341420 in words is "forty million, three hundred forty-one thousand, four hundred twenty".