340040400210 has 96 divisors (see below), whose sum is σ = 1010973899520. Its totient is φ = 77679817344.

The previous prime is 340040400209. The next prime is 340040400283. The reversal of 340040400210 is 12004040043.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 976219 + ... + 1277921.

It is an arithmetic number, because the mean of its divisors is an integer number (10530978120).

Almost surely, 2^340040400210 is an apocalyptic number.

340040400210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 340040400210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505486949760).

340040400210 is an abundant number, since it is smaller than the sum of its proper divisors (670933499310).

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

340040400210 is a wasteful number, since it uses less digits than its factorization.

340040400210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303512 (or 303509 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 340040400210 its reverse (12004040043), we get a palindrome (352044440253).

The spelling of 340040400210 in words is "three hundred forty billion, forty million, four hundred thousand, two hundred ten".