420624407135 has 16 divisors (see below), whose sum is σ = 509599152480. Its totient is φ = 333268940160.

The previous prime is 420624407081. The next prime is 420624407141. The reversal of 420624407135 is 531704426024.

It is a happy number.

It is not a de Polignac number, because 420624407135 - 2⁸ = 420624406879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1111004 + ... + 1440686.

It is an arithmetic number, because the mean of its divisors is an integer number (31849947030).

Almost surely, 2^420624407135 is an apocalyptic number.

420624407135 is a deficient number, since it is larger than the sum of its proper divisors (88974745345).

420624407135 is a wasteful number, since it uses less digits than its factorization.

420624407135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332138.

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 420624407135 in words is "four hundred twenty billion, six hundred twenty-four million, four hundred seven thousand, one hundred thirty-five".