14540155520 has 64 divisors (see below), whose sum is σ = 37920083040. Its totient is φ = 5287326720.

The previous prime is 14540155489. The next prime is 14540155529. The reversal of 14540155520 is 2555104541.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×14540155520² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (14540155529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025642 + ... + 1039721.

Almost surely, 2^14540155520 is an apocalyptic number.

14540155520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14540155520 is an abundant number, since it is smaller than the sum of its proper divisors (23379927520).

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

14540155520 is a wasteful number, since it uses less digits than its factorization.

14540155520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065393 (or 2065381 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 14540155520 in words is "fourteen billion, five hundred forty million, one hundred fifty-five thousand, five hundred twenty".