140223142401420 has 144 divisors (see below), whose sum is σ = 449161934423328. Its totient is φ = 32486085427200.

The previous prime is 140223142401323. The next prime is 140223142401421. The reversal of 140223142401420 is 24104241322041.

It is a super-2 number, since 2×140223142401420² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (140223142401421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 310800981 + ... + 311251820.

It is an arithmetic number, because the mean of its divisors is an integer number (3119180100162).

Almost surely, 2^{140223142401420} is an apocalyptic number.

140223142401420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140223142401420 is an abundant number, since it is smaller than the sum of its proper divisors (308938792021908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140223142401420 is a wasteful number, since it uses less digits than its factorization.

140223142401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622052860 (or 622052841 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 140223142401420 its reverse (24104241322041), we get a palindrome (164327383723461).

The spelling of 140223142401420 in words is "one hundred forty trillion, two hundred twenty-three billion, one hundred forty-two million, four hundred one thousand, four hundred twenty".