551624211466420 has 24 divisors (see below), whose sum is σ = 1158420796936704. Its totient is φ = 220647788804256.

The previous prime is 551624211466417. The next prime is 551624211466441. The reversal of 551624211466420 is 24664112426155.

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 7 ways as a sum of consecutive naturals, for example, 116099232 + ... + 120757111.

It is an arithmetic number, because the mean of its divisors is an integer number (48267533205696).

Almost surely, 2^{551624211466420} is an apocalyptic number.

It is an amenable number.

551624211466420 is an abundant number, since it is smaller than the sum of its proper divisors (606796585470284).

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

551624211466420 is a wasteful number, since it uses less digits than its factorization.

551624211466420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236972799 (or 236972797 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 551624211466420 in words is "five hundred fifty-one trillion, six hundred twenty-four billion, two hundred eleven million, four hundred sixty-six thousand, four hundred twenty".