2398459142640 has 640 divisors, whose sum is σ = 8669044859904. Its totient is φ = 542121984000.

The previous prime is 2398459142593. The next prime is 2398459142641. The reversal of 2398459142640 is 462419548932.

2398459142640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2398459142641) 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, 4200453555 + ... + 4200454125.

Almost surely, 2^{2398459142640} is an apocalyptic number.

2398459142640 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 2398459142640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4334522429952).

2398459142640 is an abundant number, since it is smaller than the sum of its proper divisors (6270585717264).

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

2398459142640 is a wasteful number, since it uses less digits than its factorization.

2398459142640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1323 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 57.

The spelling of 2398459142640 in words is "two trillion, three hundred ninety-eight billion, four hundred fifty-nine million, one hundred forty-two thousand, six hundred forty".