340210304203240 has 128 divisors (see below), whose sum is σ = 811060387200000. Its totient is φ = 128224765900800.

The previous prime is 340210304203223. The next prime is 340210304203307. The reversal of 340210304203240 is 42302403012043.

It is a super-2 number, since 2×340210304203240² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340210304203199 and 340210304203208.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18663966 + ... + 32074354.

It is an arithmetic number, because the mean of its divisors is an integer number (6336409275000).

Almost surely, 2^{340210304203240} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340210304203240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405530193600000).

340210304203240 is an abundant number, since it is smaller than the sum of its proper divisors (470850082996760).

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

340210304203240 is a wasteful number, since it uses less digits than its factorization.

340210304203240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13410971 (or 13410967 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 340210304203240 its reverse (42302403012043), we get a palindrome (382512707215283).

The spelling of 340210304203240 in words is "three hundred forty trillion, two hundred ten billion, three hundred four million, two hundred three thousand, two hundred forty".