606474540 has 144 divisors (see below), whose sum is σ = 2180435712. Its totient is φ = 138614976.

The previous prime is 606474529. The next prime is 606474559. The reversal of 606474540 is 45474606.

606474540 is a `hidden beast` number, since 6 + 0 + 647 + 4 + 5 + 4 + 0 = 666.

It is a super-2 number, since 2×606474540² = 735622735336423200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 606474495 and 606474504.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25107 + ... + 42933.

Almost surely, 2^606474540 is an apocalyptic number.

606474540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 606474540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1090217856).

606474540 is an abundant number, since it is smaller than the sum of its proper divisors (1573961172).

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

606474540 is a wasteful number, since it uses less digits than its factorization.

606474540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17858 (or 17844 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 606474540 is about 24626.7037989253. The cubic root of 606474540 is about 846.4556169626.

The spelling of 606474540 in words is "six hundred six million, four hundred seventy-four thousand, five hundred forty".