40326787683 has 48 divisors (see below), whose sum is σ = 74843398560. Its totient is φ = 21271263552.

The previous prime is 40326787603. The next prime is 40326787717. The reversal of 40326787683 is 38678762304.

40326787683 is a `hidden beast` number, since 403 + 26 + 78 + 76 + 83 = 666.

It is not a de Polignac number, because 40326787683 - 2¹² = 40326783587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40326787603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1155160 + ... + 1189557.

It is an arithmetic number, because the mean of its divisors is an integer number (1559237470).

Almost surely, 2^40326787683 is an apocalyptic number.

40326787683 is a deficient number, since it is larger than the sum of its proper divisors (34516610877).

40326787683 is a wasteful number, since it uses less digits than its factorization.

40326787683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344753 (or 2344740 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

The spelling of 40326787683 in words is "forty billion, three hundred twenty-six million, seven hundred eighty-seven thousand, six hundred eighty-three".