214520542240 has 24 divisors (see below), whose sum is σ = 506804781420. Its totient is φ = 85808216832.

The previous prime is 214520542213. The next prime is 214520542273. The reversal of 214520542240 is 42245025412.

It can be written as a sum of positive squares in 2 ways, for example, as 209503936656 + 5016605584 = 457716^2 + 70828^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670376535 + ... + 670376854.

Almost surely, 2^214520542240 is an apocalyptic number.

214520542240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214520542240 is an abundant number, since it is smaller than the sum of its proper divisors (292284239180).

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

214520542240 is a wasteful number, since it uses less digits than its factorization.

214520542240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340753404 (or 1340753396 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 214520542240 its reverse (42245025412), we get a palindrome (256765567652).

The spelling of 214520542240 in words is "two hundred fourteen billion, five hundred twenty million, five hundred forty-two thousand, two hundred forty".