14045453640 has 96 divisors (see below), whose sum is σ = 46761132600. Its totient is φ = 3654097920.

The previous prime is 14045453579. The next prime is 14045453647. The reversal of 14045453640 is 4635454041.

14045453640 is a `hidden beast` number, since 1 + 4 + 0 + 4 + 5 + 4 + 5 + 3 + 640 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9519124356 + 4526329284 = 97566^2 + 67278^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 14045453595 and 14045453604.

It is not an unprimeable number, because it can be changed into a prime (14045453647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 461035 + ... + 490554.

Almost surely, 2^14045453640 is an apocalyptic number.

14045453640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14045453640 is an abundant number, since it is smaller than the sum of its proper divisors (32715678960).

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

14045453640 is a wasteful number, since it uses less digits than its factorization.

14045453640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951647 (or 951640 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 14045453640 in words is "fourteen billion, forty-five million, four hundred fifty-three thousand, six hundred forty".