340112554938 has 128 divisors (see below), whose sum is σ = 819309173760. Its totient is φ = 103962631680.

The previous prime is 340112554931. The next prime is 340112554949. The reversal of 340112554938 is 839455211043.

340112554938 is a `hidden beast` number, since 3 + 4 + 0 + 1 + 1 + 2 + 554 + 93 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 340112554893 and 340112554902.

It is not an unprimeable number, because it can be changed into a prime (340112554931) 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, 70957870 + ... + 70962662.

It is an arithmetic number, because the mean of its divisors is an integer number (6400852920).

Almost surely, 2^340112554938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340112554938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409654586880).

340112554938 is an abundant number, since it is smaller than the sum of its proper divisors (479196618822).

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

340112554938 is a wasteful number, since it uses less digits than its factorization.

340112554938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5461 (or 5455 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 340112554938 in words is "three hundred forty billion, one hundred twelve million, five hundred fifty-four thousand, nine hundred thirty-eight".