345630310256 has 160 divisors (see below), whose sum is σ = 861890692608. Its totient is φ = 130363269120.

The previous prime is 345630310253. The next prime is 345630310271. The reversal of 345630310256 is 652013036543.

It is a super-2 number, since 2×345630310256² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345630310253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5957420 + ... + 6015156.

Almost surely, 2^345630310256 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 345630310256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430945346304).

345630310256 is an abundant number, since it is smaller than the sum of its proper divisors (516260382352).

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

345630310256 is a wasteful number, since it uses less digits than its factorization.

345630310256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57919 (or 57913 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 345630310256 its reverse (652013036543), we get a palindrome (997643346799).

The spelling of 345630310256 in words is "three hundred forty-five billion, six hundred thirty million, three hundred ten thousand, two hundred fifty-six".