14540639574 has 32 divisors (see below), whose sum is σ = 29435927040. Its totient is φ = 4788004032.

The previous prime is 14540639569. The next prime is 14540639579. The reversal of 14540639574 is 47593604541.

It is an interprime number because it is at equal distance from previous prime (14540639569) and next prime (14540639579).

It is a super-2 number, since 2×14540639574² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14540639579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223999 + ... + 281525.

It is an arithmetic number, because the mean of its divisors is an integer number (919872720).

Almost surely, 2^14540639574 is an apocalyptic number.

14540639574 is an abundant number, since it is smaller than the sum of its proper divisors (14895287466).

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

14540639574 is a wasteful number, since it uses less digits than its factorization.

14540639574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58044.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 14540639574 in words is "fourteen billion, five hundred forty million, six hundred thirty-nine thousand, five hundred seventy-four".