14539527780 has 96 divisors (see below), whose sum is σ = 43420478976. Its totient is φ = 3622465536.

The previous prime is 14539527721. The next prime is 14539527781. The reversal of 14539527780 is 8772593541.

It is a super-2 number, since 2×14539527780² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (14539527781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87717 + ... + 191763.

It is an arithmetic number, because the mean of its divisors is an integer number (452296656).

Almost surely, 2^14539527780 is an apocalyptic number.

14539527780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14539527780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21710239488).

14539527780 is an abundant number, since it is smaller than the sum of its proper divisors (28880951196).

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

14539527780 is a wasteful number, since it uses less digits than its factorization.

14539527780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104213 (or 104211 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 51.

The spelling of 14539527780 in words is "fourteen billion, five hundred thirty-nine million, five hundred twenty-seven thousand, seven hundred eighty".