14532551540 has 48 divisors (see below), whose sum is σ = 33047610960. Its totient is φ = 5336202240.

The previous prime is 14532551519. The next prime is 14532551567. The reversal of 14532551540 is 4515523541.

It can be written as a sum of positive squares in 8 ways, for example, as 990109156 + 13542442384 = 31466^2 + 116372^2 .

It is a super-2 number, since 2×14532551540² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14532551540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107345 + ... + 201464.

It is an arithmetic number, because the mean of its divisors is an integer number (688491895).

Almost surely, 2^14532551540 is an apocalyptic number.

14532551540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14532551540 is an abundant number, since it is smaller than the sum of its proper divisors (18515059420).

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

14532551540 is a wasteful number, since it uses less digits than its factorization.

14532551540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309012 (or 309010 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 14532551540 in words is "fourteen billion, five hundred thirty-two million, five hundred fifty-one thousand, five hundred forty".