6198603840 has 896 divisors, whose sum is σ = 26729740800. Its totient is φ = 1331527680.

The previous prime is 6198603769. The next prime is 6198603841. The reversal of 6198603840 is 483068916.

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 (6198603841) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 35829994 + ... + 35830166.

It is an arithmetic number, because the mean of its divisors is an integer number (29832300).

Almost surely, 2^6198603840 is an apocalyptic number.

6198603840 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 6198603840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13364870400).

6198603840 is an abundant number, since it is smaller than the sum of its proper divisors (20531136960).

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

6198603840 is a wasteful number, since it uses less digits than its factorization.

6198603840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 6198603840 is about 78731.2126160902. The cubic root of 6198603840 is about 1836.9526432996.

The spelling of 6198603840 in words is "six billion, one hundred ninety-eight million, six hundred three thousand, eight hundred forty".