140155505430444 has 120 divisors (see below), whose sum is σ = 423901923590320. Its totient is φ = 40044430048896.

The previous prime is 140155505430401. The next prime is 140155505430469. The reversal of 140155505430444 is 444034505551041.

140155505430444 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 5 + 550 + 54 + 3 + 0 + 4 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 140155505430444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 269989789 + ... + 270508404.

Almost surely, 2^{140155505430444} is an apocalyptic number.

140155505430444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140155505430444 is an abundant number, since it is smaller than the sum of its proper divisors (283746418159876).

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

140155505430444 is an equidigital number, since it uses as much as digits as its factorization.

140155505430444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540498234 (or 540498205 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 45.

The spelling of 140155505430444 in words is "one hundred forty trillion, one hundred fifty-five billion, five hundred five million, four hundred thirty thousand, four hundred forty-four".