40683782 has 4 divisors (see below), whose sum is σ = 61025676. Its totient is φ = 20341890.

The previous prime is 40683761. The next prime is 40683793. The reversal of 40683782 is 28738604.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10170944 + ... + 10170947.

It is an arithmetic number, because the mean of its divisors is an integer number (15256419).

Almost surely, 2^40683782 is an apocalyptic number.

40683782 is a deficient number, since it is larger than the sum of its proper divisors (20341894).

40683782 is a wasteful number, since it uses less digits than its factorization.

40683782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20341893.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 40683782 is about 6378.3839646105. The cubic root of 40683782 is about 343.9329405518.

The spelling of 40683782 in words is "forty million, six hundred eighty-three thousand, seven hundred eighty-two".