340222251630 has 128 divisors (see below), whose sum is σ = 879963264000. Its totient is φ = 83963049984.

The previous prime is 340222251613. The next prime is 340222251631. The reversal of 340222251630 is 36152222043.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340222251631) 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, 4532646 + ... + 4607094.

It is an arithmetic number, because the mean of its divisors is an integer number (6874713000).

Almost surely, 2^340222251630 is an apocalyptic number.

340222251630 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 340222251630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439981632000).

340222251630 is an abundant number, since it is smaller than the sum of its proper divisors (539741012370).

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

340222251630 is a wasteful number, since it uses less digits than its factorization.

340222251630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74698.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 340222251630 its reverse (36152222043), we get a palindrome (376374473673).

The spelling of 340222251630 in words is "three hundred forty billion, two hundred twenty-two million, two hundred fifty-one thousand, six hundred thirty".