405112355252 has 96 divisors (see below), whose sum is σ = 859908403200. Its totient is φ = 164896300800.

The previous prime is 405112355251. The next prime is 405112355279. The reversal of 405112355252 is 252553211504.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405112355251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 932624 + ... + 1296152.

It is an arithmetic number, because the mean of its divisors is an integer number (8957379200).

Almost surely, 2^405112355252 is an apocalyptic number.

It is an amenable number.

405112355252 is an abundant number, since it is smaller than the sum of its proper divisors (454796047948).

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

405112355252 is a wasteful number, since it uses less digits than its factorization.

405112355252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363637 (or 363635 counting only the distinct ones).

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

Adding to 405112355252 its reverse (252553211504), we get a palindrome (657665566756).

The spelling of 405112355252 in words is "four hundred five billion, one hundred twelve million, three hundred fifty-five thousand, two hundred fifty-two".