340433141333987 has 16 divisors (see below), whose sum is σ = 380631563975040. Its totient is φ = 302314565734272.

The previous prime is 340433141333951. The next prime is 340433141333993. The reversal of 340433141333987 is 789333141334043.

It is not a de Polignac number, because 340433141333987 - 2¹² = 340433141329891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340433141333917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1629869723 + ... + 1630078580.

It is an arithmetic number, because the mean of its divisors is an integer number (23789472748440).

Almost surely, 2^{340433141333987} is an apocalyptic number.

340433141333987 is a deficient number, since it is larger than the sum of its proper divisors (40198422641053).

340433141333987 is a wasteful number, since it uses less digits than its factorization.

340433141333987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259948622.

The product of its (nonzero) digits is 23514624, while the sum is 56.

Adding to 340433141333987 its sum of digits (56), we get a palindrome (340433141334043).

The spelling of 340433141333987 in words is "three hundred forty trillion, four hundred thirty-three billion, one hundred forty-one million, three hundred thirty-three thousand, nine hundred eighty-seven".