40240352 has 24 divisors (see below), whose sum is σ = 81158112. Its totient is φ = 19628800.

The previous prime is 40240351. The next prime is 40240357. The reversal of 40240352 is 25304204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40240351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14024 + ... + 16647.

It is an arithmetic number, because the mean of its divisors is an integer number (3381588).

Almost surely, 2^40240352 is an apocalyptic number.

It is an amenable number.

40240352 is an abundant number, since it is smaller than the sum of its proper divisors (40917760).

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

40240352 is a wasteful number, since it uses less digits than its factorization.

40240352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30722 (or 30714 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 40240352 is about 6343.5283557339. The cubic root of 40240352 is about 342.6788154652.

Adding to 40240352 its reverse (25304204), we get a palindrome (65544556).

The spelling of 40240352 in words is "forty million, two hundred forty thousand, three hundred fifty-two".