40778222743 has 8 divisors (see below), whose sum is σ = 41341185728. Its totient is φ = 40215377664.

The previous prime is 40778222741. The next prime is 40778222783. The reversal of 40778222743 is 34722287704.

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

It is a cyclic number.

It is not a de Polignac number, because 40778222743 - 2¹ = 40778222741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40778222693 and 40778222702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40778222741) 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 7 ways as a sum of consecutive naturals, for example, 844255 + ... + 891247.

It is an arithmetic number, because the mean of its divisors is an integer number (5167648216).

Almost surely, 2^40778222743 is an apocalyptic number.

40778222743 is a deficient number, since it is larger than the sum of its proper divisors (562962985).

40778222743 is a wasteful number, since it uses less digits than its factorization.

40778222743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58953.

The product of its (nonzero) digits is 1053696, while the sum is 46.

The spelling of 40778222743 in words is "forty billion, seven hundred seventy-eight million, two hundred twenty-two thousand, seven hundred forty-three".