340001211440 has 40 divisors (see below), whose sum is σ = 862366711248. Its totient is φ = 123636803840.

The previous prime is 340001211413. The next prime is 340001211443. The reversal of 340001211440 is 44112100043.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is not an unprimeable number, because it can be changed into a prime (340001211443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193181627 + ... + 193183386.

Almost surely, 2^340001211440 is an apocalyptic number.

It is an amenable number.

340001211440 is an abundant number, since it is smaller than the sum of its proper divisors (522365499808).

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

340001211440 is a wasteful number, since it uses less digits than its factorization.

340001211440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386365037 (or 386365031 counting only the distinct ones).

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

Adding to 340001211440 its reverse (44112100043), we get a palindrome (384113311483).

The spelling of 340001211440 in words is "three hundred forty billion, one million, two hundred eleven thousand, four hundred forty".