214456142340 has 72 divisors (see below), whose sum is σ = 709654877568. Its totient is φ = 51989367360.

The previous prime is 214456142333. The next prime is 214456142393. The reversal of 214456142340 is 43241654412.

214456142340 is a `hidden beast` number, since 2 + 1 + 4 + 4 + 5 + 614 + 2 + 34 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 214456142295 and 214456142304.

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, 54153612 + ... + 54157571.

It is an arithmetic number, because the mean of its divisors is an integer number (9856317744).

Almost surely, 2^214456142340 is an apocalyptic number.

214456142340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214456142340 is an abundant number, since it is smaller than the sum of its proper divisors (495198735228).

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

214456142340 is a wasteful number, since it uses less digits than its factorization.

214456142340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108311209 (or 108311204 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 214456142340 its reverse (43241654412), we get a palindrome (257697796752).

The spelling of 214456142340 in words is "two hundred fourteen billion, four hundred fifty-six million, one hundred forty-two thousand, three hundred forty".