140223421408 has 48 divisors (see below), whose sum is σ = 329220218880. Its totient is φ = 57482891136.

The previous prime is 140223421399. The next prime is 140223421411. The reversal of 140223421408 is 804124322041.

It is a super-2 number, since 2×140223421408² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140223421408.

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, 13603488 + ... + 13613791.

It is an arithmetic number, because the mean of its divisors is an integer number (6858754560).

Almost surely, 2^140223421408 is an apocalyptic number.

It is an amenable number.

140223421408 is an abundant number, since it is smaller than the sum of its proper divisors (188996797472).

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

140223421408 is a wasteful number, since it uses less digits than its factorization.

140223421408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27217319 (or 27217311 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 140223421408 its reverse (804124322041), we get a palindrome (944347743449).

The spelling of 140223421408 in words is "one hundred forty billion, two hundred twenty-three million, four hundred twenty-one thousand, four hundred eight".