340074317520 has 480 divisors, whose sum is σ = 1326695086080. Its totient is φ = 76458654720.

The previous prime is 340074317467. The next prime is 340074317549. The reversal of 340074317520 is 25713470043.

340074317520 is a `hidden beast` number, since 34 + 0 + 0 + 74 + 31 + 7 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 210051271 + ... + 210052889.

It is an arithmetic number, because the mean of its divisors is an integer number (2763948096).

Almost surely, 2^340074317520 is an apocalyptic number.

340074317520 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 340074317520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663347543040).

340074317520 is an abundant number, since it is smaller than the sum of its proper divisors (986620768560).

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

340074317520 is a wasteful number, since it uses less digits than its factorization.

340074317520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303 (or 2294 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

Adding to 340074317520 its reverse (25713470043), we get a palindrome (365787787563).

The spelling of 340074317520 in words is "three hundred forty billion, seventy-four million, three hundred seventeen thousand, five hundred twenty".