40783381767 has 16 divisors (see below), whose sum is σ = 60442368480. Its totient is φ = 27178776576.

The previous prime is 40783381747. The next prime is 40783381811. The reversal of 40783381767 is 76718338704.

It is not a de Polignac number, because 40783381767 - 2¹⁴ = 40783365383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40783381747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207738 + ... + 353159.

It is an arithmetic number, because the mean of its divisors is an integer number (3777648030).

Almost surely, 2^40783381767 is an apocalyptic number.

40783381767 is a deficient number, since it is larger than the sum of its proper divisors (19658986713).

40783381767 is a wasteful number, since it uses less digits than its factorization.

40783381767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563599 (or 563593 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 40783381767 in words is "forty billion, seven hundred eighty-three million, three hundred eighty-one thousand, seven hundred sixty-seven".