40782384 has 30 divisors (see below), whose sum is σ = 114134436. Its totient is φ = 13594080.

The previous prime is 40782383. The next prime is 40782397. The reversal of 40782384 is 48328704.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (40782383) 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 5 ways as a sum of consecutive naturals, for example, 141462 + ... + 141749.

Almost surely, 2^40782384 is an apocalyptic number.

It is an amenable number.

40782384 is an abundant number, since it is smaller than the sum of its proper divisors (73352052).

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

40782384 is a wasteful number, since it uses less digits than its factorization.

40782384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283225 (or 283216 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 40782384 is about 6386.1086743024. The cubic root of 40782384 is about 344.2105705557.

The spelling of 40782384 in words is "forty million, seven hundred eighty-two thousand, three hundred eighty-four".