2144257496 has 16 divisors (see below), whose sum is σ = 4043725200. Its totient is φ = 1065930784.

The previous prime is 2144257471. The next prime is 2144257499. The reversal of 2144257496 is 6947524412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144257499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773276 + ... + 776043.

It is an arithmetic number, because the mean of its divisors is an integer number (252732825).

Almost surely, 2^2144257496 is an apocalyptic number.

It is an amenable number.

2144257496 is a deficient number, since it is larger than the sum of its proper divisors (1899467704).

2144257496 is a wasteful number, since it uses less digits than its factorization.

2144257496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549498 (or 1549494 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 2144257496 is about 46306.1280609813. The cubic root of 2144257496 is about 1289.5127651355.

The spelling of 2144257496 in words is "two billion, one hundred forty-four million, two hundred fifty-seven thousand, four hundred ninety-six".