214434040 has 32 divisors (see below), whose sum is σ = 483770880. Its totient is φ = 85543552.

The previous prime is 214434029. The next prime is 214434041. The reversal of 214434040 is 40434412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214434041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8322 + ... + 22318.

It is an arithmetic number, because the mean of its divisors is an integer number (15117840).

Almost surely, 2^214434040 is an apocalyptic number.

214434040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214434040 is an abundant number, since it is smaller than the sum of its proper divisors (269336840).

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

214434040 is a wasteful number, since it uses less digits than its factorization.

214434040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14391 (or 14387 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 214434040 is about 14643.5665054658. The cubic root of 214434040 is about 598.5465188679.

Adding to 214434040 its reverse (40434412), we get a palindrome (254868452).

The spelling of 214434040 in words is "two hundred fourteen million, four hundred thirty-four thousand, forty".