6195697440 has 96 divisors (see below), whose sum is σ = 19629521856. Its totient is φ = 1642613760.

The previous prime is 6195697429. The next prime is 6195697511. The reversal of 6195697440 is 447965916.

It is a tau number, because it is divible by the number of its divisors (96).

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, 45735 + ... + 120345.

It is an arithmetic number, because the mean of its divisors is an integer number (204474186).

Almost surely, 2^6195697440 is an apocalyptic number.

6195697440 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 6195697440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9814760928).

6195697440 is an abundant number, since it is smaller than the sum of its proper divisors (13433824416).

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

6195697440 is a wasteful number, since it uses less digits than its factorization.

6195697440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74802 (or 74794 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 6195697440 is about 78712.7527151732. The cubic root of 6195697440 is about 1836.6654950990.

The spelling of 6195697440 in words is "six billion, one hundred ninety-five million, six hundred ninety-seven thousand, four hundred forty".