140320423040 has 64 divisors (see below), whose sum is σ = 383375453760. Its totient is φ = 48109857792.

The previous prime is 140320423007. The next prime is 140320423051. The reversal of 140320423040 is 40324023041.

140320423040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×140320423040² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140320422997 and 140320423015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15656282 + ... + 15665241.

It is an arithmetic number, because the mean of its divisors is an integer number (5990241465).

Almost surely, 2^140320423040 is an apocalyptic number.

140320423040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140320423040 is an abundant number, since it is smaller than the sum of its proper divisors (243055030720).

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

140320423040 is an equidigital number, since it uses as much as digits as its factorization.

140320423040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31321549 (or 31321537 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 140320423040 its reverse (40324023041), we get a palindrome (180644446081).

The spelling of 140320423040 in words is "one hundred forty billion, three hundred twenty million, four hundred twenty-three thousand, forty".