614640244 has 12 divisors (see below), whose sum is σ = 1098506304. Its totient is φ = 300781304.

The previous prime is 614640241. The next prime is 614640251. The reversal of 614640244 is 442046416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (614640241) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1634494 + ... + 1634869.

It is an arithmetic number, because the mean of its divisors is an integer number (91542192).

Almost surely, 2^614640244 is an apocalyptic number.

It is an amenable number.

614640244 is a deficient number, since it is larger than the sum of its proper divisors (483866060).

614640244 is a wasteful number, since it uses less digits than its factorization.

614640244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269414 (or 3269412 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 614640244 is about 24791.9390931811. The cubic root of 614640244 is about 850.2376470461.

The spelling of 614640244 in words is "six hundred fourteen million, six hundred forty thousand, two hundred forty-four".