140120534445444 has 36 divisors (see below), whose sum is σ = 404792655065344. Its totient is φ = 40034438412912.

The previous prime is 140120534445433. The next prime is 140120534445449. The reversal of 140120534445444 is 444544435021041.

140120534445444 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 20 + 534 + 4 + 4 + 54 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×140120534445444² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140120534445444.

It is not an unprimeable number, because it can be changed into a prime (140120534445449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278016933172 + ... + 278016933675.

Almost surely, 2^{140120534445444} is an apocalyptic number.

140120534445444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140120534445444 is an abundant number, since it is smaller than the sum of its proper divisors (264672120619900).

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

140120534445444 is a wasteful number, since it uses less digits than its factorization.

140120534445444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556033866864 (or 556033866859 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 45.

Adding to 140120534445444 its reverse (444544435021041), we get a palindrome (584664969466485).

The spelling of 140120534445444 in words is "one hundred forty trillion, one hundred twenty billion, five hundred thirty-four million, four hundred forty-five thousand, four hundred forty-four".