340434003540 has 96 divisors (see below), whose sum is σ = 1012196352384. Its totient is φ = 85195939840.

The previous prime is 340434003529. The next prime is 340434003587. The reversal of 340434003540 is 45300434043.

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

It is a junction number, because it is equal to n+sod(n) for n = 340434003498 and 340434003507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126981 + ... + 834860.

It is an arithmetic number, because the mean of its divisors is an integer number (10543712004).

Almost surely, 2^340434003540 is an apocalyptic number.

340434003540 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 340434003540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506098176192).

340434003540 is an abundant number, since it is smaller than the sum of its proper divisors (671762348844).

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

340434003540 is a wasteful number, since it uses less digits than its factorization.

340434003540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962217 (or 962215 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 340434003540 its reverse (45300434043), we get a palindrome (385734437583).

The spelling of 340434003540 in words is "three hundred forty billion, four hundred thirty-four million, three thousand, five hundred forty".