405425034122120 has 16 divisors (see below), whose sum is σ = 912206326774860. Its totient is φ = 162170013648832.

The previous prime is 405425034122117. The next prime is 405425034122123. The reversal of 405425034122120 is 21221430524504.

It is an interprime number because it is at equal distance from previous prime (405425034122117) and next prime (405425034122123).

It can be written as a sum of positive squares in 2 ways, for example, as 372926848406596 + 32498185715524 = 19311314^2 + 5700718^2 .

It is not an unprimeable number, because it can be changed into a prime (405425034122123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5067812926487 + ... + 5067812926566.

Almost surely, 2^{405425034122120} is an apocalyptic number.

405425034122120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

405425034122120 is an abundant number, since it is smaller than the sum of its proper divisors (506781292652740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405425034122120 is a wasteful number, since it uses less digits than its factorization.

405425034122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10135625853064 (or 10135625853060 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 405425034122120 its reverse (21221430524504), we get a palindrome (426646464646624).

The spelling of 405425034122120 in words is "four hundred five trillion, four hundred twenty-five billion, thirty-four million, one hundred twenty-two thousand, one hundred twenty".