612152406 has 48 divisors (see below), whose sum is σ = 1386388224. Its totient is φ = 194842032.

The previous prime is 612152351. The next prime is 612152417. The reversal of 612152406 is 604251216.

612152406 is a `hidden beast` number, since 612 + 1 + 5 + 2 + 40 + 6 = 666.

612152406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 612152406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 366385 + ... + 368051.

It is an arithmetic number, because the mean of its divisors is an integer number (28883088).

Almost surely, 2^612152406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 612152406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693194112).

612152406 is an abundant number, since it is smaller than the sum of its proper divisors (774235818).

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

612152406 is a wasteful number, since it uses less digits than its factorization.

612152406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585 (or 2582 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 612152406 is about 24741.7138856628. The cubic root of 612152406 is about 849.0889458852.

The spelling of 612152406 in words is "six hundred twelve million, one hundred fifty-two thousand, four hundred six".