140344492850 has 12 divisors (see below), whose sum is σ = 261040756794. Its totient is φ = 56137797120.

The previous prime is 140344492709. The next prime is 140344492861. The reversal of 140344492850 is 58294443041.

It can be written as a sum of positive squares in 3 ways, for example, as 76352189761 + 63992303089 = 276319^2 + 252967^2 .

It is a super-2 number, since 2×140344492850² (a number of 23 digits) contains 22 as substring.

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, 1403444879 + ... + 1403444978.

Almost surely, 2^140344492850 is an apocalyptic number.

140344492850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140344492850 is a deficient number, since it is larger than the sum of its proper divisors (120696263944).

140344492850 is a wasteful number, since it uses less digits than its factorization.

140344492850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806889869 (or 2806889864 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 140344492850 in words is "one hundred forty billion, three hundred forty-four million, four hundred ninety-two thousand, eight hundred fifty".