214020440 has 16 divisors (see below), whose sum is σ = 481546080. Its totient is φ = 85608160.

The previous prime is 214020439. The next prime is 214020473. The reversal of 214020440 is 44020412.

It is a congruent number.

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, 2675216 + ... + 2675295.

It is an arithmetic number, because the mean of its divisors is an integer number (30096630).

Almost surely, 2^214020440 is an apocalyptic number.

214020440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214020440 is an abundant number, since it is smaller than the sum of its proper divisors (267525640).

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

214020440 is a wasteful number, since it uses less digits than its factorization.

214020440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5350522 (or 5350518 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 214020440 is about 14629.4374464639. The cubic root of 214020440 is about 598.1614460274.

Adding to 214020440 its reverse (44020412), we get a palindrome (258040852).

The spelling of 214020440 in words is "two hundred fourteen million, twenty thousand, four hundred forty".