1881436742208 has 168 divisors, whose sum is σ = 5837508324960. Its totient is φ = 594137721600.

The previous prime is 1881436742183. The next prime is 1881436742261. The reversal of 1881436742208 is 8022476341881.

1881436742208 is a `hidden beast` number, since 18 + 8 + 143 + 67 + 422 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 884218 + ... + 2131833.

Almost surely, 2^{1881436742208} is an apocalyptic number.

1881436742208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1881436742208 is an abundant number, since it is smaller than the sum of its proper divisors (3956071582752).

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

1881436742208 is a wasteful number, since it uses less digits than its factorization.

1881436742208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016110 (or 3016075 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The spelling of 1881436742208 in words is "one trillion, eight hundred eighty-one billion, four hundred thirty-six million, seven hundred forty-two thousand, two hundred eight".