140055400340 has 96 divisors (see below), whose sum is σ = 320915696640. Its totient is φ = 51147417600.

The previous prime is 140055400339. The next prime is 140055400349. The reversal of 140055400340 is 43004550041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140055400349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2814314 + ... + 2863646.

It is an arithmetic number, because the mean of its divisors is an integer number (3342871840).

Almost surely, 2^140055400340 is an apocalyptic number.

140055400340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140055400340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160457848320).

140055400340 is an abundant number, since it is smaller than the sum of its proper divisors (180860296300).

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

140055400340 is a wasteful number, since it uses less digits than its factorization.

140055400340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49633 (or 49631 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 140055400340 its reverse (43004550041), we get a palindrome (183059950381).

The spelling of 140055400340 in words is "one hundred forty billion, fifty-five million, four hundred thousand, three hundred forty".