40047473371 has 2 divisors, whose sum is σ = 40047473372. Its totient is φ = 40047473370.

The previous prime is 40047473369. The next prime is 40047473381. The reversal of 40047473371 is 17337474004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40047473371 - 2¹ = 40047473369 is a prime.

Together with 40047473369, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40047473351) 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 as a sum of consecutive naturals, namely, 20023736685 + 20023736686.

It is an arithmetic number, because the mean of its divisors is an integer number (20023736686).

Almost surely, 2^40047473371 is an apocalyptic number.

40047473371 is a deficient number, since it is larger than the sum of its proper divisors (1).

40047473371 is an equidigital number, since it uses as much as digits as its factorization.

40047473371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 40.

The spelling of 40047473371 in words is "forty billion, forty-seven million, four hundred seventy-three thousand, three hundred seventy-one".