214205740086 has 128 divisors (see below), whose sum is σ = 483914704896. Its totient is φ = 62772203520.

The previous prime is 214205740043. The next prime is 214205740087. The reversal of 214205740086 is 680047502412.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214205740087) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66583950 + ... + 66587166.

It is an arithmetic number, because the mean of its divisors is an integer number (3780583632).

Almost surely, 2^214205740086 is an apocalyptic number.

214205740086 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 214205740086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241957352448).

214205740086 is an abundant number, since it is smaller than the sum of its proper divisors (269708964810).

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

214205740086 is a wasteful number, since it uses less digits than its factorization.

214205740086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3766.

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 214205740086 in words is "two hundred fourteen billion, two hundred five million, seven hundred forty thousand, eighty-six".