340221454354 has 8 divisors (see below), whose sum is σ = 524124943308. Its totient is φ = 165513139920.

The previous prime is 340221454337. The next prime is 340221454367. The reversal of 340221454354 is 453454122043.

It can be written as a sum of positive squares in 2 ways, for example, as 273952794025 + 66268660329 = 523405^2 + 257427^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2298793537 + ... + 2298793684.

Almost surely, 2^340221454354 is an apocalyptic number.

340221454354 is a deficient number, since it is larger than the sum of its proper divisors (183903488954).

340221454354 is a wasteful number, since it uses less digits than its factorization.

340221454354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4597587260.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 340221454354 its reverse (453454122043), we get a palindrome (793675576397).

The spelling of 340221454354 in words is "three hundred forty billion, two hundred twenty-one million, four hundred fifty-four thousand, three hundred fifty-four".