140204421144 has 48 divisors (see below), whose sum is σ = 381994114320. Its totient is φ = 46454953920.

The previous prime is 140204421109. The next prime is 140204421163. The reversal of 140204421144 is 441124402041.

It is a happy number.

140204421144 is a `hidden beast` number, since 1 + 402 + 0 + 4 + 4 + 211 + 44 = 666.

It is a super-2 number, since 2×140204421144² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5818167 + ... + 5842214.

It is an arithmetic number, because the mean of its divisors is an integer number (7958210715).

Almost surely, 2^140204421144 is an apocalyptic number.

It is an amenable number.

140204421144 is an abundant number, since it is smaller than the sum of its proper divisors (241789693176).

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

140204421144 is a wasteful number, since it uses less digits than its factorization.

140204421144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11660560 (or 11660553 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 140204421144 its reverse (441124402041), we get a palindrome (581328823185).

The spelling of 140204421144 in words is "one hundred forty billion, two hundred four million, four hundred twenty-one thousand, one hundred forty-four".