140240055426 has 16 divisors (see below), whose sum is σ = 283859390304. Its totient is φ = 46183471904.

The previous prime is 140240055421. The next prime is 140240055451. The reversal of 140240055426 is 624550042041.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140240055421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140802771 + ... + 140803766.

It is an arithmetic number, because the mean of its divisors is an integer number (17741211894).

Almost surely, 2^140240055426 is an apocalyptic number.

140240055426 is an abundant number, since it is smaller than the sum of its proper divisors (143619334878).

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

140240055426 is a wasteful number, since it uses less digits than its factorization.

140240055426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281606625.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 140240055426 its reverse (624550042041), we get a palindrome (764790097467).

The spelling of 140240055426 in words is "one hundred forty billion, two hundred forty million, fifty-five thousand, four hundred twenty-six".