12533552460 has 144 divisors (see below), whose sum is σ = 44665115040. Its totient is φ = 2804705280.

The previous prime is 12533552431. The next prime is 12533552467. The reversal of 12533552460 is 6425533521.

12533552460 is a `hidden beast` number, since 12 + 5 + 33 + 552 + 4 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12533552467) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 217725 + ... + 269204.

It is an arithmetic number, because the mean of its divisors is an integer number (310174410).

Almost surely, 2^12533552460 is an apocalyptic number.

12533552460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12533552460 is an abundant number, since it is smaller than the sum of its proper divisors (32131562580).

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

12533552460 is a wasteful number, since it uses less digits than its factorization.

12533552460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486968 (or 486963 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 12533552460 in words is "twelve billion, five hundred thirty-three million, five hundred fifty-two thousand, four hundred sixty".