140450034520 has 64 divisors (see below), whose sum is σ = 347107680000. Its totient is φ = 50909113728.

The previous prime is 140450034509. The next prime is 140450034601. The reversal of 140450034520 is 25430054041.

140450034520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3999970 + ... + 4034929.

It is an arithmetic number, because the mean of its divisors is an integer number (5423557500).

Almost surely, 2^140450034520 is an apocalyptic number.

140450034520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140450034520 is an abundant number, since it is smaller than the sum of its proper divisors (206657645480).

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

140450034520 is a wasteful number, since it uses less digits than its factorization.

140450034520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8034952 (or 8034948 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 140450034520 its reverse (25430054041), we get a palindrome (165880088561).

The spelling of 140450034520 in words is "one hundred forty billion, four hundred fifty million, thirty-four thousand, five hundred twenty".