610005240 has 96 divisors (see below), whose sum is σ = 2135034720. Its totient is φ = 150153984.

The previous prime is 610005239. The next prime is 610005251. The reversal of 610005240 is 42500016.

It is a happy number.

610005240 is a `hidden beast` number, since 610 + 0 + 0 + 52 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 60492 + ... + 69851.

It is an arithmetic number, because the mean of its divisors is an integer number (22239945).

Almost surely, 2^610005240 is an apocalyptic number.

610005240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

610005240 is an abundant number, since it is smaller than the sum of its proper divisors (1525029480).

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

610005240 is a wasteful number, since it uses less digits than its factorization.

610005240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130373 (or 130366 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 610005240 is about 24698.2841509284. The cubic root of 610005240 is about 848.0950372600.

Adding to 610005240 its reverse (42500016), we get a palindrome (652505256).

The spelling of 610005240 in words is "six hundred ten million, five thousand, two hundred forty".