40721385286743 has 16 divisors (see below), whose sum is σ = 62065476408576. Its totient is φ = 23264172388800.

The previous prime is 40721385286739. The next prime is 40721385286753. The reversal of 40721385286743 is 34768258312704.

40721385286743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40721385286743 - 2² = 40721385286739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40721385286753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216179958 + ... + 216368243.

It is an arithmetic number, because the mean of its divisors is an integer number (3879092275536).

Almost surely, 2^{40721385286743} is an apocalyptic number.

40721385286743 is a deficient number, since it is larger than the sum of its proper divisors (21344091121833).

40721385286743 is a wasteful number, since it uses less digits than its factorization.

40721385286743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432552694.

The product of its (nonzero) digits is 54190080, while the sum is 60.

The spelling of 40721385286743 in words is "forty trillion, seven hundred twenty-one billion, three hundred eighty-five million, two hundred eighty-six thousand, seven hundred forty-three".