214542040 has 96 divisors (see below), whose sum is σ = 522317520. Its totient is φ = 79276032.

The previous prime is 214542037. The next prime is 214542077. The reversal of 214542040 is 40245412.

It is a happy number.

214542040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 774382 + ... + 774658.

Almost surely, 2^214542040 is an apocalyptic number.

214542040 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 214542040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261158760).

214542040 is an abundant number, since it is smaller than the sum of its proper divisors (307775480).

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

214542040 is a wasteful number, since it uses less digits than its factorization.

214542040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 214542040 is about 14647.2536674969. The cubic root of 214542040 is about 598.6469882625.

Adding to 214542040 its reverse (40245412), we get a palindrome (254787452).

The spelling of 214542040 in words is "two hundred fourteen million, five hundred forty-two thousand, forty".