601550040 has 256 divisors, whose sum is σ = 2294046720. Its totient is φ = 122757120.

The previous prime is 601550029. The next prime is 601550063. The reversal of 601550040 is 40055106.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 601549989 and 601550016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 337632 + ... + 339408.

It is an arithmetic number, because the mean of its divisors is an integer number (8961120).

Almost surely, 2^601550040 is an apocalyptic number.

601550040 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 601550040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1147023360).

601550040 is an abundant number, since it is smaller than the sum of its proper divisors (1692496680).

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

601550040 is a wasteful number, since it uses less digits than its factorization.

601550040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842 (or 1838 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 601550040 is about 24526.5170784602. The cubic root of 601550040 is about 844.1583487324.

The spelling of 601550040 in words is "six hundred one million, five hundred fifty thousand, forty".