40078037355347 has 2 divisors, whose sum is σ = 40078037355348. Its totient is φ = 40078037355346.

The previous prime is 40078037355289. The next prime is 40078037355443. The reversal of 40078037355347 is 74355373087004.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40078037355347 - 2¹² = 40078037351251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40078037355292 and 40078037355301.

It is not a weakly prime, because it can be changed into another prime (40078037355547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20039018677673 + 20039018677674.

It is an arithmetic number, because the mean of its divisors is an integer number (20039018677674).

Almost surely, 2^{40078037355347} is an apocalyptic number.

40078037355347 is a deficient number, since it is larger than the sum of its proper divisors (1).

40078037355347 is an equidigital number, since it uses as much as digits as its factorization.

40078037355347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29635200, while the sum is 56.

The spelling of 40078037355347 in words is "forty trillion, seventy-eight billion, thirty-seven million, three hundred fifty-five thousand, three hundred forty-seven".