340441531320 has 128 divisors (see below), whose sum is σ = 1114551809280. Its totient is φ = 82503168000.

The previous prime is 340441531291. The next prime is 340441531349. The reversal of 340441531320 is 23135144043.

It is an interprime number because it is at equal distance from previous prime (340441531291) and next prime (340441531349).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3971715 + ... + 4056525.

It is an arithmetic number, because the mean of its divisors is an integer number (8707436010).

Almost surely, 2^340441531320 is an apocalyptic number.

340441531320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340441531320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557275904640).

340441531320 is an abundant number, since it is smaller than the sum of its proper divisors (774110277960).

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

340441531320 is a wasteful number, since it uses less digits than its factorization.

340441531320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87877 (or 87873 counting only the distinct ones).

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

Adding to 340441531320 its reverse (23135144043), we get a palindrome (363576675363).

The spelling of 340441531320 in words is "three hundred forty billion, four hundred forty-one million, five hundred thirty-one thousand, three hundred twenty".