2457386946378 has 288 divisors, whose sum is σ = 6632265878784. Its totient is φ = 643867481088.

The previous prime is 2457386946319. The next prime is 2457386946397. The reversal of 2457386946378 is 8736496837542.

2457386946378 is a `hidden beast` number, since 2 + 4 + 5 + 7 + 38 + 69 + 463 + 78 = 666.

2457386946378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3352505700 + ... + 3352506432.

It is an arithmetic number, because the mean of its divisors is an integer number (23028700968).

Almost surely, 2^{2457386946378} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2457386946378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3316132939392).

2457386946378 is an abundant number, since it is smaller than the sum of its proper divisors (4174878932406).

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

2457386946378 is a wasteful number, since it uses less digits than its factorization.

2457386946378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590 (or 1574 counting only the distinct ones).

The product of its digits is 1463132160, while the sum is 72.

The spelling of 2457386946378 in words is "two trillion, four hundred fifty-seven billion, three hundred eighty-six million, nine hundred forty-six thousand, three hundred seventy-eight".