140430423450 has 96 divisors (see below), whose sum is σ = 365290977024. Its totient is φ = 35660701440.

The previous prime is 140430423437. The next prime is 140430423517. The reversal of 140430423450 is 54324034041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8329 + ... + 530028.

It is an arithmetic number, because the mean of its divisors is an integer number (3805114344).

Almost surely, 2^140430423450 is an apocalyptic number.

140430423450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140430423450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182645488512).

140430423450 is an abundant number, since it is smaller than the sum of its proper divisors (224860553574).

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

140430423450 is a wasteful number, since it uses less digits than its factorization.

140430423450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538456 (or 538451 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 140430423450 its reverse (54324034041), we get a palindrome (194754457491).

The spelling of 140430423450 in words is "one hundred forty billion, four hundred thirty million, four hundred twenty-three thousand, four hundred fifty".