2419644864 has 224 divisors, whose sum is σ = 7983646720. Its totient is φ = 629710848.

The previous prime is 2419644847. The next prime is 2419644883. The reversal of 2419644864 is 4684469142.

It is a tau number, because it is divible by the number of its divisors (224).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1379412 + ... + 1381164.

It is an arithmetic number, because the mean of its divisors is an integer number (35641280).

Almost surely, 2^2419644864 is an apocalyptic number.

2419644864 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 2419644864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3991823360).

2419644864 is an abundant number, since it is smaller than the sum of its proper divisors (5564001856).

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

2419644864 is a wasteful number, since it uses less digits than its factorization.

2419644864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867 (or 1857 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 48.

The square root of 2419644864 is about 49189.8857896621. The cubic root of 2419644864 is about 1342.5090112410.

The spelling of 2419644864 in words is "two billion, four hundred nineteen million, six hundred forty-four thousand, eight hundred sixty-four".