601671240 has 160 divisors (see below), whose sum is σ = 2033511480. Its totient is φ = 159556608.

The previous prime is 601671223. The next prime is 601671247. The reversal of 601671240 is 42176106.

601671240 is a `hidden beast` number, since 601 + 6 + 7 + 12 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 392753124 + 208918116 = 19818^2 + 14454^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (601671247) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 754522 + ... + 755318.

Almost surely, 2^601671240 is an apocalyptic number.

601671240 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 601671240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016755740).

601671240 is an abundant number, since it is smaller than the sum of its proper divisors (1431840240).

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

601671240 is a wasteful number, since it uses less digits than its factorization.

601671240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 601671240 is about 24528.9877491918. The cubic root of 601671240 is about 844.2150384587.

The spelling of 601671240 in words is "six hundred one million, six hundred seventy-one thousand, two hundred forty".