140055551226 has 64 divisors (see below), whose sum is σ = 317201068800. Its totient is φ = 45798696000.

The previous prime is 140055551203. The next prime is 140055551269. The reversal of 140055551226 is 622155550041.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 476691 + ... + 712281.

It is an arithmetic number, because the mean of its divisors is an integer number (4956266700).

Almost surely, 2^140055551226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140055551226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158600534400).

140055551226 is an abundant number, since it is smaller than the sum of its proper divisors (177145517574).

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

140055551226 is a wasteful number, since it uses less digits than its factorization.

140055551226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235812 (or 235806 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 140055551226 in words is "one hundred forty billion, fifty-five million, five hundred fifty-one thousand, two hundred twenty-six".