2405898864 has 120 divisors (see below), whose sum is σ = 7177913600. Its totient is φ = 750072960.

The previous prime is 2405898851. The next prime is 2405898917. The reversal of 2405898864 is 4688985042.

2405898864 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2405898864.

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, 210579 + ... + 221709.

Almost surely, 2^2405898864 is an apocalyptic number.

2405898864 is a gapful number since it is divisible by the number (24) 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 2405898864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3588956800).

2405898864 is an abundant number, since it is smaller than the sum of its proper divisors (4772014736).

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

2405898864 is a wasteful number, since it uses less digits than its factorization.

2405898864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11243 (or 11234 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The square root of 2405898864 is about 49049.9629357658. The cubic root of 2405898864 is about 1339.9619176821.

The spelling of 2405898864 in words is "two billion, four hundred five million, eight hundred ninety-eight thousand, eight hundred sixty-four".