6159057840 has 240 divisors, whose sum is σ = 23586177888. Its totient is φ = 1426857984.

The previous prime is 6159057799. The next prime is 6159057847. The reversal of 6159057840 is 487509516.

6159057840 is a `hidden beast` number, since 6 + 1 + 590 + 57 + 8 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6159057847) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139767 + ... + 178473.

Almost surely, 2^6159057840 is an apocalyptic number.

6159057840 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 6159057840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11793088944).

6159057840 is an abundant number, since it is smaller than the sum of its proper divisors (17427120048).

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

6159057840 is a wasteful number, since it uses less digits than its factorization.

6159057840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38756 (or 38747 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 6159057840 is about 78479.6651369003. The cubic root of 6159057840 is about 1833.0378281476.

The spelling of 6159057840 in words is "six billion, one hundred fifty-nine million, fifty-seven thousand, eight hundred forty".