340264130421 has 32 divisors (see below), whose sum is σ = 476430151680. Its totient is φ = 215597251584.

The previous prime is 340264130359. The next prime is 340264130461. The reversal of 340264130421 is 124031462043.

It is not a de Polignac number, because 340264130421 - 2¹³ = 340264122229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340264130461) 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, 45431445 + ... + 45438933.

It is an arithmetic number, because the mean of its divisors is an integer number (14888442240).

Almost surely, 2^340264130421 is an apocalyptic number.

It is an amenable number.

340264130421 is a deficient number, since it is larger than the sum of its proper divisors (136166021259).

340264130421 is a wasteful number, since it uses less digits than its factorization.

340264130421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11625.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 340264130421 its reverse (124031462043), we get a palindrome (464295592464).

The spelling of 340264130421 in words is "three hundred forty billion, two hundred sixty-four million, one hundred thirty thousand, four hundred twenty-one".