140441551056 has 80 divisors (see below), whose sum is σ = 403387931520. Its totient is φ = 46782650880.

The previous prime is 140441551043. The next prime is 140441551057. The reversal of 140441551056 is 650155144041.

140441551056 is a `hidden beast` number, since 1 + 40 + 44 + 15 + 510 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 140441551056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140441551057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545176 + ... + 760328.

It is an arithmetic number, because the mean of its divisors is an integer number (5042349144).

Almost surely, 2^140441551056 is an apocalyptic number.

140441551056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

140441551056 is an abundant number, since it is smaller than the sum of its proper divisors (262946380464).

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

140441551056 is a wasteful number, since it uses less digits than its factorization.

140441551056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216681 (or 216669 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 140441551056 its reverse (650155144041), we get a palindrome (790596695097).

The spelling of 140441551056 in words is "one hundred forty billion, four hundred forty-one million, five hundred fifty-one thousand, fifty-six".