214404154340 has 24 divisors (see below), whose sum is σ = 450259948152. Its totient is φ = 85759523840.

The previous prime is 214404154339. The next prime is 214404154351. The reversal of 214404154340 is 43451404412.

It can be written as a sum of positive squares in 4 ways, for example, as 10634971876 + 203769182464 = 103126^2 + 451408^2 .

It is a junction number, because it is equal to n+sod(n) for n = 214404154297 and 214404154306.

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, 874100 + ... + 1092180.

It is an arithmetic number, because the mean of its divisors is an integer number (18760831173).

Almost surely, 2^214404154340 is an apocalyptic number.

214404154340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214404154340 is an abundant number, since it is smaller than the sum of its proper divisors (235855793812).

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

214404154340 is a wasteful number, since it uses less digits than its factorization.

214404154340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267247 (or 267245 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 214404154340 its reverse (43451404412), we get a palindrome (257855558752).

The spelling of 214404154340 in words is "two hundred fourteen billion, four hundred four million, one hundred fifty-four thousand, three hundred forty".