14257973640 has 32 divisors (see below), whose sum is σ = 42773921280. Its totient is φ = 3802126272.

The previous prime is 14257973621. The next prime is 14257973651. The reversal of 14257973640 is 4637975241.

14257973640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 14257973640.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59408104 + ... + 59408343.

It is an arithmetic number, because the mean of its divisors is an integer number (1336685040).

Almost surely, 2^14257973640 is an apocalyptic number.

14257973640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14257973640 is an abundant number, since it is smaller than the sum of its proper divisors (28515947640).

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

14257973640 is a wasteful number, since it uses less digits than its factorization.

14257973640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118816461 (or 118816457 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 14257973640 in words is "fourteen billion, two hundred fifty-seven million, nine hundred seventy-three thousand, six hundred forty".