40745062745 has 8 divisors (see below), whose sum is σ = 48900035016. Its totient is φ = 32592077056.

The previous prime is 40745062739. The next prime is 40745062807. The reversal of 40745062745 is 54726054704.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 650607049 + 40094455696 = 25507^2 + 200236^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40745062745 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40745062696 and 40745062705.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 451142 + ... + 533871.

It is an arithmetic number, because the mean of its divisors is an integer number (6112504377).

Almost surely, 2^40745062745 is an apocalyptic number.

It is an amenable number.

40745062745 is a deficient number, since it is larger than the sum of its proper divisors (8154972271).

40745062745 is an equidigital number, since it uses as much as digits as its factorization.

40745062745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993291.

The product of its (nonzero) digits is 940800, while the sum is 44.

The spelling of 40745062745 in words is "forty billion, seven hundred forty-five million, sixty-two thousand, seven hundred forty-five".