1878208420200 has 192 divisors, whose sum is σ = 6657378424320. Its totient is φ = 429101280000.

The previous prime is 1878208420159. The next prime is 1878208420217. The reversal of 1878208420200 is 20248028781.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8845275 + ... + 9055125.

It is an arithmetic number, because the mean of its divisors is an integer number (34673845960).

Almost surely, 2^{1878208420200} is an apocalyptic number.

1878208420200 is a gapful number since it is divisible by the number (10) 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 1878208420200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3328689212160).

1878208420200 is an abundant number, since it is smaller than the sum of its proper divisors (4779170004120).

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

1878208420200 is a wasteful number, since it uses less digits than its factorization.

1878208420200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212008 (or 211999 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 42.

The spelling of 1878208420200 in words is "one trillion, eight hundred seventy-eight billion, two hundred eight million, four hundred twenty thousand, two hundred".