140044305051 has 128 divisors (see below), whose sum is σ = 244629504000. Its totient is φ = 77537596032.

The previous prime is 140044305047. The next prime is 140044305091. The reversal of 140044305051 is 150503440041.

It is a happy number.

It is not a de Polignac number, because 140044305051 - 2² = 140044305047 is a prime.

It is a super-2 number, since 2×140044305051² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (140044305031) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 292367830 + ... + 292368308.

It is an arithmetic number, because the mean of its divisors is an integer number (1911168000).

Almost surely, 2^140044305051 is an apocalyptic number.

140044305051 is a deficient number, since it is larger than the sum of its proper divisors (104585198949).

140044305051 is a wasteful number, since it uses less digits than its factorization.

140044305051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 140044305051 its reverse (150503440041), we get a palindrome (290547745092).

The spelling of 140044305051 in words is "one hundred forty billion, forty-four million, three hundred five thousand, fifty-one".