14581521740 has 24 divisors (see below), whose sum is σ = 31123185072. Its totient is φ = 5736991680.

The previous prime is 14581521733. The next prime is 14581521749. The reversal of 14581521740 is 4712518541.

It is a junction number, because it is equal to n+sod(n) for n = 14581521694 and 14581521703.

It is not an unprimeable number, because it can be changed into a prime (14581521749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5974814 + ... + 5977253.

It is an arithmetic number, because the mean of its divisors is an integer number (1296799378).

Almost surely, 2^14581521740 is an apocalyptic number.

14581521740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14581521740 is an abundant number, since it is smaller than the sum of its proper divisors (16541663332).

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

14581521740 is a wasteful number, since it uses less digits than its factorization.

14581521740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11952137 (or 11952135 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 38.

The spelling of 14581521740 in words is "fourteen billion, five hundred eighty-one million, five hundred twenty-one thousand, seven hundred forty".