214758364446 has 32 divisors (see below), whose sum is σ = 477402232320. Its totient is φ = 71561908152.

The previous prime is 214758364399. The next prime is 214758364453. The reversal of 214758364446 is 644463857412.

214758364446 is a `hidden beast` number, since 2 + 14 + 7 + 583 + 6 + 4 + 4 + 46 = 666.

It is a super-2 number, since 2×214758364446² (a number of 23 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 214758364392 and 214758364401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511110 + ... + 831113.

It is an arithmetic number, because the mean of its divisors is an integer number (14918819760).

Almost surely, 2^214758364446 is an apocalyptic number.

214758364446 is an abundant number, since it is smaller than the sum of its proper divisors (262643867874).

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

214758364446 is a wasteful number, since it uses less digits than its factorization.

214758364446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345197 (or 1345191 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 54.

The spelling of 214758364446 in words is "two hundred fourteen billion, seven hundred fifty-eight million, three hundred sixty-four thousand, four hundred forty-six".