140449456426 has 12 divisors (see below), whose sum is σ = 222345885762. Its totient is φ = 66528689544.

The previous prime is 140449456397. The next prime is 140449456453. The reversal of 140449456426 is 624654944041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 125173732401 + 15275724025 = 353799^2 + 123595^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140449456426.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97263445 + ... + 97264888.

Almost surely, 2^140449456426 is an apocalyptic number.

140449456426 is a deficient number, since it is larger than the sum of its proper divisors (81896429336).

140449456426 is a wasteful number, since it uses less digits than its factorization.

140449456426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194528373 (or 194528354 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 49.

The spelling of 140449456426 in words is "one hundred forty billion, four hundred forty-nine million, four hundred fifty-six thousand, four hundred twenty-six".