40341240 has 80 divisors (see below), whose sum is σ = 135602280. Its totient is φ = 10756800.

The previous prime is 40341239. The next prime is 40341251. The reversal of 40341240 is 4214304.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2986 + ... + 9465.

Almost surely, 2^40341240 is an apocalyptic number.

40341240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40341240 is an abundant number, since it is smaller than the sum of its proper divisors (95261040).

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

40341240 is a wasteful number, since it uses less digits than its factorization.

40341240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12474 (or 12461 counting only the distinct ones).

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

The square root of 40341240 is about 6351.4754191448. The cubic root of 40341240 is about 342.9649571648.

Adding to 40341240 its reverse (4214304), we get a palindrome (44555544).

The spelling of 40341240 in words is "forty million, three hundred forty-one thousand, two hundred forty".