14778524980 has 12 divisors (see below), whose sum is σ = 31034902500. Its totient is φ = 5911409984.

The previous prime is 14778524963. The next prime is 14778524987. The reversal of 14778524980 is 8942587741.

It can be written as a sum of positive squares in 2 ways, for example, as 6524439076 + 8254085904 = 80774^2 + 90852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14778524987) 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, 369463105 + ... + 369463144.

It is an arithmetic number, because the mean of its divisors is an integer number (2586241875).

Almost surely, 2^14778524980 is an apocalyptic number.

14778524980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14778524980 is an abundant number, since it is smaller than the sum of its proper divisors (16256377520).

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

14778524980 is a wasteful number, since it uses less digits than its factorization.

14778524980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738926258 (or 738926256 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 14778524980 in words is "fourteen billion, seven hundred seventy-eight million, five hundred twenty-four thousand, nine hundred eighty".