40420341680753 has 4 divisors (see below), whose sum is σ = 40570603174260. Its totient is φ = 40270080187248.

The previous prime is 40420341680743. The next prime is 40420341680767. The reversal of 40420341680753 is 35708614302404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4056933157489 + 36363408523264 = 2014183^2 + 6030208^2 .

It is a cyclic number.

It is not a de Polignac number, because 40420341680753 - 2⁸ = 40420341680497 is a prime.

It is a super-3 number, since 3×40420341680753³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40420341680698 and 40420341680707.

It is not an unprimeable number, because it can be changed into a prime (40420341680743) 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 in 3 ways as a sum of consecutive naturals, for example, 75130746350 + ... + 75130746887.

It is an arithmetic number, because the mean of its divisors is an integer number (10142650793565).

Almost surely, 2^{40420341680753} is an apocalyptic number.

It is an amenable number.

40420341680753 is a deficient number, since it is larger than the sum of its proper divisors (150261493507).

40420341680753 is a wasteful number, since it uses less digits than its factorization.

40420341680753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150261493506.

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 40420341680753 in words is "forty trillion, four hundred twenty billion, three hundred forty-one million, six hundred eighty thousand, seven hundred fifty-three".