512550405552144 has 40 divisors (see below), whose sum is σ = 1324140735765312. Its totient is φ = 170843401237120.

The previous prime is 512550405552113. The next prime is 512550405552149. The reversal of 512550405552144 is 441255504055215.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 512550405552093 and 512550405552102.

It is not an unprimeable number, because it can be changed into a prime (512550405552149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209205252 + ... + 211641059.

Almost surely, 2^{512550405552144} is an apocalyptic number.

It is an amenable number.

512550405552144 is an abundant number, since it is smaller than the sum of its proper divisors (811590330213168).

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

512550405552144 is a wasteful number, since it uses less digits than its factorization.

512550405552144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420871695 (or 420871689 counting only the distinct ones).

The product of its (nonzero) digits is 4000000, while the sum is 48.

The spelling of 512550405552144 in words is "five hundred twelve trillion, five hundred fifty billion, four hundred five million, five hundred fifty-two thousand, one hundred forty-four".