214515136644 has 96 divisors (see below), whose sum is σ = 520691297280. Its totient is φ = 68690160000.

The previous prime is 214515136643. The next prime is 214515136697. The reversal of 214515136644 is 446631515412.

It is a junction number, because it is equal to n+sod(n) for n = 214515136596 and 214515136605.

It is not an unprimeable number, because it can be changed into a prime (214515136643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7855887 + ... + 7883145.

It is an arithmetic number, because the mean of its divisors is an integer number (5423867680).

Almost surely, 2^214515136644 is an apocalyptic number.

It is an amenable number.

214515136644 is an abundant number, since it is smaller than the sum of its proper divisors (306176160636).

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

214515136644 is a wasteful number, since it uses less digits than its factorization.

214515136644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27561 (or 27559 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The spelling of 214515136644 in words is "two hundred fourteen billion, five hundred fifteen million, one hundred thirty-six thousand, six hundred forty-four".