2426881201920 has 1728 divisors, whose sum is σ = 10625976990720. Its totient is φ = 517697961984.

The previous prime is 2426881201919. The next prime is 2426881201933. The reversal of 2426881201920 is 291021886242.

2426881201920 is a `hidden beast` number, since 2 + 426 + 88 + 120 + 1 + 9 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (1728).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6403380291 + ... + 6403380669.

It is an arithmetic number, because the mean of its divisors is an integer number (6149292240).

Almost surely, 2^{2426881201920} is an apocalyptic number.

2426881201920 is a gapful number since it is divisible by the number (20) 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 2426881201920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5312988495360).

2426881201920 is an abundant number, since it is smaller than the sum of its proper divisors (8199095788800).

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

2426881201920 is a wasteful number, since it uses less digits than its factorization.

2426881201920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 2426881201920 in words is "two trillion, four hundred twenty-six billion, eight hundred eighty-one million, two hundred one thousand, nine hundred twenty".