6123035640 has 64 divisors (see below), whose sum is σ = 19002535200. Its totient is φ = 1576504832.

The previous prime is 6123035623. The next prime is 6123035683. The reversal of 6123035640 is 465303216.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 6123035598 and 6123035607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 876267 + ... + 883226.

Almost surely, 2^6123035640 is an apocalyptic number.

6123035640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6123035640 is an abundant number, since it is smaller than the sum of its proper divisors (12879499560).

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

6123035640 is a wasteful number, since it uses less digits than its factorization.

6123035640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759536 (or 1759532 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 6123035640 is about 78249.8283704188. The cubic root of 6123035640 is about 1829.4572369884.

Adding to 6123035640 its reverse (465303216), we get a palindrome (6588338856).

The spelling of 6123035640 in words is "six billion, one hundred twenty-three million, thirty-five thousand, six hundred forty".