40351705751 has 16 divisors (see below), whose sum is σ = 47346144000. Its totient is φ = 34374937464.

The previous prime is 40351705711. The next prime is 40351705769. The reversal of 40351705751 is 15750715304.

It is not a de Polignac number, because 40351705751 - 2⁶ = 40351705687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40351705711) 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, 304961 + ... + 416778.

It is an arithmetic number, because the mean of its divisors is an integer number (2959134000).

Almost surely, 2^40351705751 is an apocalyptic number.

40351705751 is a deficient number, since it is larger than the sum of its proper divisors (6994438249).

40351705751 is an equidigital number, since it uses as much as digits as its factorization.

40351705751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721923 (or 721909 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 38.

The spelling of 40351705751 in words is "forty billion, three hundred fifty-one million, seven hundred five thousand, seven hundred fifty-one".