606445551444 has 96 divisors (see below), whose sum is σ = 1549141687296. Its totient is φ = 183818557440.

The previous prime is 606445551407. The next prime is 606445551553. The reversal of 606445551444 is 444155544606.

It is a junction number, because it is equal to n+sod(n) for n = 606445551393 and 606445551402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3798394 + ... + 3954830.

It is an arithmetic number, because the mean of its divisors is an integer number (16136892576).

Almost surely, 2^606445551444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 606445551444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (774570843648).

606445551444 is an abundant number, since it is smaller than the sum of its proper divisors (942696135852).

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

606445551444 is a wasteful number, since it uses less digits than its factorization.

606445551444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157105 (or 157103 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 48.

The spelling of 606445551444 in words is "six hundred six billion, four hundred forty-five million, five hundred fifty-one thousand, four hundred forty-four".