140040650 has 24 divisors (see below), whose sum is σ = 261947520. Its totient is φ = 55699760.

The previous prime is 140040631. The next prime is 140040701. The reversal of 140040650 is 56040041.

It is a happy number.

It is a super-2 number, since 2×140040650² = 39222767304845000, which contains 22 as substring.

140040650 is a modest number, since divided by 40650 gives 1400 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1127 + ... + 16773.

It is an arithmetic number, because the mean of its divisors is an integer number (10914480).

Almost surely, 2^140040650 is an apocalyptic number.

140040650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140040650 is a deficient number, since it is larger than the sum of its proper divisors (121906870).

140040650 is a wasteful number, since it uses less digits than its factorization.

140040650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15838 (or 15833 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 140040650 is about 11833.8772175479. The cubic root of 140040650 is about 519.2996612469.

Adding to 140040650 its reverse (56040041), we get a palindrome (196080691).

The spelling of 140040650 in words is "one hundred forty million, forty thousand, six hundred fifty".