40236380 has 24 divisors (see below), whose sum is σ = 85337280. Its totient is φ = 15934400.

The previous prime is 40236377. The next prime is 40236397. The reversal of 40236380 is 8363204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7940 + ... + 11979.

It is an arithmetic number, because the mean of its divisors is an integer number (3555720).

Almost surely, 2^40236380 is an apocalyptic number.

It is an amenable number.

40236380 is an abundant number, since it is smaller than the sum of its proper divisors (45100900).

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

40236380 is a wasteful number, since it uses less digits than its factorization.

40236380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20029 (or 20027 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 40236380 is about 6343.2152730299. The cubic root of 40236380 is about 342.6675401742.

Adding to 40236380 its reverse (8363204), we get a palindrome (48599584).

The spelling of 40236380 in words is "forty million, two hundred thirty-six thousand, three hundred eighty".