340018492340 has 24 divisors (see below), whose sum is σ = 714246006600. Its totient is φ = 135967935488.

The previous prime is 340018492327. The next prime is 340018492349. The reversal of 340018492340 is 43294810043.

It can be written as a sum of positive squares in 4 ways, for example, as 17728389904 + 322290102436 = 133148^2 + 567706^2 .

It is a super-2 number, since 2×340018492340² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340018492294 and 340018492303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340018492349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2395637 + ... + 2533596.

It is an arithmetic number, because the mean of its divisors is an integer number (29760250275).

Almost surely, 2^340018492340 is an apocalyptic number.

It is an amenable number.

340018492340 is an abundant number, since it is smaller than the sum of its proper divisors (374227514260).

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

340018492340 is a wasteful number, since it uses less digits than its factorization.

340018492340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932691 (or 4932689 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 340018492340 in words is "three hundred forty billion, eighteen million, four hundred ninety-two thousand, three hundred forty".