140432350432420 has 24 divisors (see below), whose sum is σ = 299742492237048. Its totient is φ = 55252072300800.

The previous prime is 140432350432379. The next prime is 140432350432441. The reversal of 140432350432420 is 24234053234041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13474126586944 + 126958223845476 = 3670712^2 + 11267574^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140432350432420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57554240761 + ... + 57554243200.

It is an arithmetic number, because the mean of its divisors is an integer number (12489270509877).

Almost surely, 2^{140432350432420} is an apocalyptic number.

140432350432420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140432350432420 is an abundant number, since it is smaller than the sum of its proper divisors (159310141804628).

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

140432350432420 is a wasteful number, since it uses less digits than its factorization.

140432350432420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115108484031 (or 115108484029 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 37.

The spelling of 140432350432420 in words is "one hundred forty trillion, four hundred thirty-two billion, three hundred fifty million, four hundred thirty-two thousand, four hundred twenty".