340211221400 has 48 divisors (see below), whose sum is σ = 791036766240. Its totient is φ = 136076630400.

The previous prime is 340211221327. The next prime is 340211221411. The reversal of 340211221400 is 4122112043.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 11 ways as a sum of consecutive naturals, for example, 4451510 + ... + 4527290.

It is an arithmetic number, because the mean of its divisors is an integer number (16479932630).

Almost surely, 2^340211221400 is an apocalyptic number.

It is an amenable number.

340211221400 is an abundant number, since it is smaller than the sum of its proper divisors (450825544840).

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

340211221400 is a wasteful number, since it uses less digits than its factorization.

340211221400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98244 (or 98235 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 340211221400 its reverse (4122112043), we get a palindrome (344333333443).

The spelling of 340211221400 in words is "three hundred forty billion, two hundred eleven million, two hundred twenty-one thousand, four hundred".