340402240230 has 128 divisors (see below), whose sum is σ = 942787496448. Its totient is φ = 77912143872.

The previous prime is 340402240219. The next prime is 340402240259. The reversal of 340402240230 is 32042204043.

It is a self number, because there is not a number n which added to its sum of digits gives 340402240230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 240997 + ... + 859583.

It is an arithmetic number, because the mean of its divisors is an integer number (7365527316).

Almost surely, 2^340402240230 is an apocalyptic number.

340402240230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 340402240230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471393748224).

340402240230 is an abundant number, since it is smaller than the sum of its proper divisors (602385256218).

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

340402240230 is a wasteful number, since it uses less digits than its factorization.

340402240230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618710.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 340402240230 its reverse (32042204043), we get a palindrome (372444444273).

The spelling of 340402240230 in words is "three hundred forty billion, four hundred two million, two hundred forty thousand, two hundred thirty".