4378297280000 has 200 divisors, whose sum is σ = 12493211854992. Its totient is φ = 1501129728000.

The previous prime is 4378297279997. The next prime is 4378297280009. The reversal of 4378297280000 is 827928734.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4378297280009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1262702 + ... + 3217298.

Almost surely, 2^{4378297280000} is an apocalyptic number.

4378297280000 is a gapful number since it is divisible by the number (40) 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 4378297280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6246605927496).

4378297280000 is an abundant number, since it is smaller than the sum of its proper divisors (8114914574992).

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

4378297280000 is an frugal number, since it uses more digits than its factorization.

4378297280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954642 (or 1954611 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 4378297280000 in words is "four trillion, three hundred seventy-eight billion, two hundred ninety-seven million, two hundred eighty thousand".