140043434333420 has 96 divisors (see below), whose sum is σ = 310414054809600. Its totient is φ = 52924537036800.

The previous prime is 140043434333389. The next prime is 140043434333443. The reversal of 140043434333420 is 24333434340041.

It is a happy number.

It is a super-2 number, since 2×140043434333420² (a number of 29 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208900565 + ... + 209569875.

It is an arithmetic number, because the mean of its divisors is an integer number (3233479737600).

Almost surely, 2^{140043434333420} is an apocalyptic number.

140043434333420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140043434333420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155207027404800).

140043434333420 is an abundant number, since it is smaller than the sum of its proper divisors (170370620476180).

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

140043434333420 is a wasteful number, since it uses less digits than its factorization.

140043434333420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670839 (or 670837 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 38.

Adding to 140043434333420 its reverse (24333434340041), we get a palindrome (164376868673461).

The spelling of 140043434333420 in words is "one hundred forty trillion, forty-three billion, four hundred thirty-four million, three hundred thirty-three thousand, four hundred twenty".