140320444410321 has 32 divisors (see below), whose sum is σ = 221564063232000. Its totient is φ = 77288930322240.

The previous prime is 140320444410217. The next prime is 140320444410329. The reversal of 140320444410321 is 123014444023041.

It is a happy number.

It is not a de Polignac number, because 140320444410321 - 2²¹ = 140320442313169 is a prime.

It is a super-2 number, since 2×140320444410321² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140320444410329) 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, 191965125 + ... + 192694706.

It is an arithmetic number, because the mean of its divisors is an integer number (6923876976000).

Almost surely, 2^{140320444410321} is an apocalyptic number.

It is an amenable number.

140320444410321 is a deficient number, since it is larger than the sum of its proper divisors (81243618821679).

140320444410321 is a wasteful number, since it uses less digits than its factorization.

140320444410321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384660469.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 140320444410321 its reverse (123014444023041), we get a palindrome (263334888433362).

The spelling of 140320444410321 in words is "one hundred forty trillion, three hundred twenty billion, four hundred forty-four million, four hundred ten thousand, three hundred twenty-one".