2423778144 has 48 divisors (see below), whose sum is σ = 6442974720. Its totient is φ = 797696640.

The previous prime is 2423778143. The next prime is 2423778163. The reversal of 2423778144 is 4418773242.

2423778144 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 tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 2423778096 and 2423778105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423778143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152212 + ... + 167379.

It is an arithmetic number, because the mean of its divisors is an integer number (134228640).

Almost surely, 2^2423778144 is an apocalyptic number.

2423778144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2423778144 is an abundant number, since it is smaller than the sum of its proper divisors (4019196576).

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

2423778144 is a wasteful number, since it uses less digits than its factorization.

2423778144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319683 (or 319675 counting only the distinct ones).

The product of its digits is 301056, while the sum is 42.

The square root of 2423778144 is about 49231.8813778226. The cubic root of 2423778144 is about 1343.2730088989.

The spelling of 2423778144 in words is "two billion, four hundred twenty-three million, seven hundred seventy-eight thousand, one hundred forty-four".