40341840 has 320 divisors, whose sum is σ = 162846720. Its totient is φ = 8017920.

The previous prime is 40341811. The next prime is 40341841. The reversal of 40341840 is 4814304.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 40341840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40341841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 683731 + ... + 683789.

It is an arithmetic number, because the mean of its divisors is an integer number (508896).

Almost surely, 2^40341840 is an apocalyptic number.

40341840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40341840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81423360).

40341840 is an abundant number, since it is smaller than the sum of its proper divisors (122504880).

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

40341840 is a wasteful number, since it uses less digits than its factorization.

40341840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 40341840 is about 6351.5226520890. The cubic root of 40341840 is about 342.9666574757.

The spelling of 40341840 in words is "forty million, three hundred forty-one thousand, eight hundred forty".