340012144 has 40 divisors (see below), whose sum is σ = 694972880. Its totient is φ = 160704000.

The previous prime is 340012133. The next prime is 340012187. The reversal of 340012144 is 441210043.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181774 + ... + 183634.

It is an arithmetic number, because the mean of its divisors is an integer number (17374322).

Almost surely, 2^340012144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340012144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347486440).

340012144 is an abundant number, since it is smaller than the sum of its proper divisors (354960736).

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

340012144 is a wasteful number, since it uses less digits than its factorization.

340012144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2489 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 340012144 is about 18439.4182120803. The cubic root of 340012144 is about 697.9615143407.

Adding to 340012144 its reverse (441210043), we get a palindrome (781222187).

The spelling of 340012144 in words is "three hundred forty million, twelve thousand, one hundred forty-four".