340300560138 has 64 divisors (see below), whose sum is σ = 849280204800. Its totient is φ = 88312824000.

The previous prime is 340300560137. The next prime is 340300560161. The reversal of 340300560138 is 831065003043.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 340300560099 and 340300560108.

It is not an unprimeable number, because it can be changed into a prime (340300560137) 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, 211788 + ... + 851736.

It is an arithmetic number, because the mean of its divisors is an integer number (13270003200).

Almost surely, 2^340300560138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340300560138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424640102400).

340300560138 is an abundant number, since it is smaller than the sum of its proper divisors (508979644662).

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

340300560138 is a wasteful number, since it uses less digits than its factorization.

340300560138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641123.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 340300560138 in words is "three hundred forty billion, three hundred million, five hundred sixty thousand, one hundred thirty-eight".