52281029412 has 36 divisors (see below), whose sum is σ = 132703206636. Its totient is φ = 17354695680.

The previous prime is 52281029387. The next prime is 52281029461. The reversal of 52281029412 is 21492018225.

52281029412 is a `hidden beast` number, since 5 + 228 + 10 + 2 + 9 + 412 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31051373796 + 21229655616 = 176214^2 + 145704^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3004293 + ... + 3021644.

Almost surely, 2^52281029412 is an apocalyptic number.

It is an amenable number.

52281029412 is an abundant number, since it is smaller than the sum of its proper divisors (80422177224).

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

52281029412 is a wasteful number, since it uses less digits than its factorization.

52281029412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6026188 (or 6026183 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 52281029412 in words is "fifty-two billion, two hundred eighty-one million, twenty-nine thousand, four hundred twelve".