214405120405 has 16 divisors (see below), whose sum is σ = 295533912960. Its totient is φ = 146274351552.

The previous prime is 214405120301. The next prime is 214405120439. The reversal of 214405120405 is 504021504412.

It is not a de Polignac number, because 214405120405 - 2²¹ = 214403023253 is a prime.

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, 15540975 + ... + 15554764.

It is an arithmetic number, because the mean of its divisors is an integer number (18470869560).

Almost surely, 2^214405120405 is an apocalyptic number.

It is an amenable number.

214405120405 is a deficient number, since it is larger than the sum of its proper divisors (81128792555).

214405120405 is a wasteful number, since it uses less digits than its factorization.

214405120405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31095948.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 214405120405 its reverse (504021504412), we get a palindrome (718426624817).

The spelling of 214405120405 in words is "two hundred fourteen billion, four hundred five million, one hundred twenty thousand, four hundred five".