340836638043 has 32 divisors (see below), whose sum is σ = 497339896320. Its totient is φ = 205910831360.

The previous prime is 340836638027. The next prime is 340836638047.

340836638043 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 340836638043 - 2⁴ = 340836638027 is a prime.

It is a super-2 number, since 2×340836638043² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340836637983 and 340836638001.

It is not an unprimeable number, because it can be changed into a prime (340836638047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44979271 + ... + 44986847.

It is an arithmetic number, because the mean of its divisors is an integer number (15541871760).

Almost surely, 2^340836638043 is an apocalyptic number.

340836638043 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

340836638043 is a deficient number, since it is larger than the sum of its proper divisors (156503258277).

340836638043 is a wasteful number, since it uses less digits than its factorization.

340836638043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11747.

The product of its (nonzero) digits is 2985984, while the sum is 48.

It can be divided in two parts, 340836 and 638043, that added together give a palindrome (978879).

The spelling of 340836638043 in words is "three hundred forty billion, eight hundred thirty-six million, six hundred thirty-eight thousand, forty-three".