140434344100420 has 48 divisors (see below), whose sum is σ = 295147523487600. Its totient is φ = 56128905423360.

The previous prime is 140434344100381. The next prime is 140434344100429. The reversal of 140434344100420 is 24001443434041.

It can be written as a sum of positive squares in 8 ways, for example, as 83314204164 + 140351029896256 = 288642^2 + 11846984^2 .

It is not an unprimeable number, because it can be changed into a prime (140434344100429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387299766 + ... + 387662194.

It is an arithmetic number, because the mean of its divisors is an integer number (6148906739325).

Almost surely, 2^{140434344100420} is an apocalyptic number.

140434344100420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140434344100420 is an abundant number, since it is smaller than the sum of its proper divisors (154713179387180).

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

140434344100420 is a wasteful number, since it uses less digits than its factorization.

140434344100420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377848 (or 377846 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 140434344100420 its reverse (24001443434041), we get a palindrome (164435787534461).

The spelling of 140434344100420 in words is "one hundred forty trillion, four hundred thirty-four billion, three hundred forty-four million, one hundred thousand, four hundred twenty".