420340545043024 has 20 divisors (see below), whose sum is σ = 814410177331636. Its totient is φ = 210170176699392.

The previous prime is 420340545043019. The next prime is 420340545043037.

420340545043024 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 306929376360000 + 113411168683024 = 17519400^2 + 10649468^2 .

It is a super-2 number, since 2×420340545043024² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41716462 + ... + 50802994.

Almost surely, 2^{420340545043024} is an apocalyptic number.

It is an amenable number.

420340545043024 is a deficient number, since it is larger than the sum of its proper divisors (394069632288612).

420340545043024 is a wasteful number, since it uses less digits than its factorization.

420340545043024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11977774 (or 11977768 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 40.

The spelling of 420340545043024 in words is "four hundred twenty trillion, three hundred forty billion, five hundred forty-five million, forty-three thousand, twenty-four".