40384850 has 48 divisors (see below), whose sum is σ = 82869696. Its totient is φ = 14520000.

The previous prime is 40384831. The next prime is 40384859. The reversal of 40384850 is 5848304.

It is a super-2 number, since 2×40384850² = 3261872219045000, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (40384859) 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 23 ways as a sum of consecutive naturals, for example, 55187 + ... + 55913.

It is an arithmetic number, because the mean of its divisors is an integer number (1726452).

Almost surely, 2^40384850 is an apocalyptic number.

40384850 is an abundant number, since it is smaller than the sum of its proper divisors (42484846).

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

40384850 is a wasteful number, since it uses less digits than its factorization.

40384850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 40384850 is about 6354.9075524354. The cubic root of 40384850 is about 343.0884975375.

It can be divided in two parts, 4038 and 4850, that added together give a palindrome (8888).

The spelling of 40384850 in words is "forty million, three hundred eighty-four thousand, eight hundred fifty".