140448431046 has 64 divisors (see below), whose sum is σ = 350337332736. Its totient is φ = 36466752000.

The previous prime is 140448430981. The next prime is 140448431047. The reversal of 140448431046 is 640134844041.

140448431046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140448430995 and 140448431013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140448431047) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1239796 + ... + 1348328.

It is an arithmetic number, because the mean of its divisors is an integer number (5474020824).

Almost surely, 2^140448431046 is an apocalyptic number.

140448431046 is an abundant number, since it is smaller than the sum of its proper divisors (209888901690).

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

140448431046 is a wasteful number, since it uses less digits than its factorization.

140448431046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111357.

The product of its (nonzero) digits is 147456, while the sum is 39.

The spelling of 140448431046 in words is "one hundred forty billion, four hundred forty-eight million, four hundred thirty-one thousand, forty-six".