1881740711004 has 288 divisors, whose sum is σ = 5621678899200. Its totient is φ = 479403408000.

The previous prime is 1881740710999. The next prime is 1881740711017. The reversal of 1881740711004 is 4001170471881.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 287241529 + ... + 287248079.

It is an arithmetic number, because the mean of its divisors is an integer number (19519718400).

Almost surely, 2^{1881740711004} is an apocalyptic number.

1881740711004 is a gapful number since it is divisible by the number (14) 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 1881740711004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2810839449600).

1881740711004 is an abundant number, since it is smaller than the sum of its proper divisors (3739938188196).

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

1881740711004 is a wasteful number, since it uses less digits than its factorization.

1881740711004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7125 (or 7112 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 42.

The spelling of 1881740711004 in words is "one trillion, eight hundred eighty-one billion, seven hundred forty million, seven hundred eleven thousand, four".