340400132112221 has 8 divisors (see below), whose sum is σ = 358359524752800. Its totient is φ = 322445099093040.

The previous prime is 340400132112211. The next prime is 340400132112239. The reversal of 340400132112221 is 122211231004043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340400132112221 - 2³⁸ = 340125254205277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340400132112211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089745070 + ... + 1090057391.

It is an arithmetic number, because the mean of its divisors is an integer number (44794940594100).

Almost surely, 2^{340400132112221} is an apocalyptic number.

It is an amenable number.

340400132112221 is a deficient number, since it is larger than the sum of its proper divisors (17959392640579).

340400132112221 is a wasteful number, since it uses less digits than its factorization.

340400132112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179810699.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 340400132112221 its reverse (122211231004043), we get a palindrome (462611363116264).

The spelling of 340400132112221 in words is "three hundred forty trillion, four hundred billion, one hundred thirty-two million, one hundred twelve thousand, two hundred twenty-one".