340202156252 has 72 divisors (see below), whose sum is σ = 699093964800. Its totient is φ = 144429505920.

The previous prime is 340202156221. The next prime is 340202156257. The reversal of 340202156252 is 252651202043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340202156257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10877477 + ... + 10908707.

It is an arithmetic number, because the mean of its divisors is an integer number (9709638400).

Almost surely, 2^340202156252 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 340202156252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349546982400).

340202156252 is an abundant number, since it is smaller than the sum of its proper divisors (358891808548).

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

340202156252 is a wasteful number, since it uses less digits than its factorization.

340202156252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31771 (or 31762 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 340202156252 its reverse (252651202043), we get a palindrome (592853358295).

The spelling of 340202156252 in words is "three hundred forty billion, two hundred two million, one hundred fifty-six thousand, two hundred fifty-two".