40783506 has 8 divisors (see below), whose sum is σ = 81567024. Its totient is φ = 13594500.

The previous prime is 40783489. The next prime is 40783517. The reversal of 40783506 is 60538704.

40783506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

40783506 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3398620 + ... + 3398631.

It is an arithmetic number, because the mean of its divisors is an integer number (10195878).

Almost surely, 2^40783506 is an apocalyptic number.

40783506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40783506 is a wasteful number, since it uses less digits than its factorization.

40783506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6797256.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 40783506 is about 6386.1965206216. The cubic root of 40783506 is about 344.2137271532.

The spelling of 40783506 in words is "forty million, seven hundred eighty-three thousand, five hundred six".