140388244850 has 96 divisors (see below), whose sum is σ = 316635091200. Its totient is φ = 45207797760.

The previous prime is 140388244849. The next prime is 140388244861. The reversal of 140388244850 is 58442883041.

It is a junction number, because it is equal to n+sod(n) for n = 140388244795 and 140388244804.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2873426 + ... + 2921874.

It is an arithmetic number, because the mean of its divisors is an integer number (3298282200).

Almost surely, 2^140388244850 is an apocalyptic number.

140388244850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140388244850 is an abundant number, since it is smaller than the sum of its proper divisors (176246846350).

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

140388244850 is a wasteful number, since it uses less digits than its factorization.

140388244850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48972 (or 48967 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 47.

The spelling of 140388244850 in words is "one hundred forty billion, three hundred eighty-eight million, two hundred forty-four thousand, eight hundred fifty".