214188554772 has 48 divisors (see below), whose sum is σ = 568847664000. Its totient is φ = 69654813120.

The previous prime is 214188554747. The next prime is 214188554779. The reversal of 214188554772 is 277455881412.

214188554772 is a `hidden beast` number, since 2 + 1 + 4 + 1 + 88 + 554 + 7 + 7 + 2 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214188554779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24181272 + ... + 24190127.

It is an arithmetic number, because the mean of its divisors is an integer number (11850993000).

Almost surely, 2^214188554772 is an apocalyptic number.

It is an amenable number.

214188554772 is an abundant number, since it is smaller than the sum of its proper divisors (354659109228).

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

214188554772 is a wasteful number, since it uses less digits than its factorization.

214188554772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48371453 (or 48371445 counting only the distinct ones).

The product of its digits is 5017600, while the sum is 54.

The spelling of 214188554772 in words is "two hundred fourteen billion, one hundred eighty-eight million, five hundred fifty-four thousand, seven hundred seventy-two".