321440434132214 has 16 divisors (see below), whose sum is σ = 507850629172080. Its totient is φ = 152167327794720.

The previous prime is 321440434132189. The next prime is 321440434132243. The reversal of 321440434132214 is 412231434044123.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2609117549 + ... + 2609240744.

It is an arithmetic number, because the mean of its divisors is an integer number (31740664323255).

Almost surely, 2^{321440434132214} is an apocalyptic number.

321440434132214 is a deficient number, since it is larger than the sum of its proper divisors (186410195039866).

321440434132214 is a wasteful number, since it uses less digits than its factorization.

321440434132214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5218359935.

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 321440434132214 its reverse (412231434044123), we get a palindrome (733671868176337).

The spelling of 321440434132214 in words is "three hundred twenty-one trillion, four hundred forty billion, four hundred thirty-four million, one hundred thirty-two thousand, two hundred fourteen".