2459197440 has 336 divisors, whose sum is σ = 9752734368. Its totient is φ = 561512448.

The previous prime is 2459197427. The next prime is 2459197459. The reversal of 2459197440 is 447919542.

2459197440 is a `hidden beast` number, since 2 + 459 + 197 + 4 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2580004 + ... + 2580956.

Almost surely, 2^2459197440 is an apocalyptic number.

2459197440 is a gapful number since it is divisible by the number (20) 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 2459197440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4876367184).

2459197440 is an abundant number, since it is smaller than the sum of its proper divisors (7293536928).

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

2459197440 is an equidigital number, since it uses as much as digits as its factorization.

2459197440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2459197440 is about 49590.2958248890. The cubic root of 2459197440 is about 1349.7845911451.

The spelling of 2459197440 in words is "two billion, four hundred fifty-nine million, one hundred ninety-seven thousand, four hundred forty".