214522001440 has 96 divisors (see below), whose sum is σ = 516642416640. Its totient is φ = 84156441600.

The previous prime is 214522001431. The next prime is 214522001459. The reversal of 214522001440 is 44100225412.

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, 2120326 + ... + 2219194.

It is an arithmetic number, because the mean of its divisors is an integer number (5381691840).

Almost surely, 2^214522001440 is an apocalyptic number.

214522001440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214522001440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258321208320).

214522001440 is an abundant number, since it is smaller than the sum of its proper divisors (302120415200).

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

214522001440 is a wasteful number, since it uses less digits than its factorization.

214522001440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99146 (or 99138 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 214522001440 its reverse (44100225412), we get a palindrome (258622226852).

The spelling of 214522001440 in words is "two hundred fourteen billion, five hundred twenty-two million, one thousand, four hundred forty".