6118812440 has 64 divisors (see below), whose sum is σ = 15606712800. Its totient is φ = 2140342272.

The previous prime is 6118812439. The next prime is 6118812473. The reversal of 6118812440 is 442188116.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6118812440.

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 15 ways as a sum of consecutive naturals, for example, 299777 + ... + 319536.

Almost surely, 2^6118812440 is an apocalyptic number.

It is an amenable number.

6118812440 is an abundant number, since it is smaller than the sum of its proper divisors (9487900360).

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

6118812440 is a wasteful number, since it uses less digits than its factorization.

6118812440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619356 (or 619352 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 6118812440 is about 78222.8383530028. The cubic root of 6118812440 is about 1829.0365338577.

The spelling of 6118812440 in words is "six billion, one hundred eighteen million, eight hundred twelve thousand, four hundred forty".