14004531252 has 72 divisors (see below), whose sum is σ = 37721718216. Its totient is φ = 4365563904.

The previous prime is 14004531251. The next prime is 14004531293. The reversal of 14004531252 is 25213540041.

14004531252 is a `hidden beast` number, since 1 + 400 + 4 + 5 + 3 + 1 + 252 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2150547876 + 11853983376 = 46374^2 + 108876^2 .

It is a super-2 number, since 2×14004531252² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14004531251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23208 + ... + 168960.

It is an arithmetic number, because the mean of its divisors is an integer number (523912753).

Almost surely, 2^14004531252 is an apocalyptic number.

14004531252 is a gapful number since it is divisible by the number (12) 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 14004531252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18860859108).

14004531252 is an abundant number, since it is smaller than the sum of its proper divisors (23717186964).

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

14004531252 is a wasteful number, since it uses less digits than its factorization.

14004531252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145937 (or 145932 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 14004531252 in words is "fourteen billion, four million, five hundred thirty-one thousand, two hundred fifty-two".