624020121020426 has 32 divisors (see below), whose sum is σ = 1067330485802448. Its totient is φ = 271067067878400.

The previous prime is 624020121020339. The next prime is 624020121020431.

624020121020426 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 33032595265201 + 590987525755225 = 5747399^2 + 24310235^2 .

It is a super-2 number, since 2×624020121020426² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 624020121020392 and 624020121020401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346115516 + ... + 347913768.

Almost surely, 2^{624020121020426} is an apocalyptic number.

624020121020426 is a deficient number, since it is larger than the sum of its proper divisors (443310364782022).

624020121020426 is a wasteful number, since it uses less digits than its factorization.

624020121020426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583386.

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 624020121020426 in words is "six hundred twenty-four trillion, twenty billion, one hundred twenty-one million, twenty thousand, four hundred twenty-six".