1078821043200 has 396 divisors, whose sum is σ = 3869633242800. Its totient is φ = 287168593920.

The previous prime is 1078821043147. The next prime is 1078821043213. The reversal of 1078821043200 is 23401288701.

1078821043200 is a `hidden beast` number, since 1 + 0 + 7 + 8 + 8 + 210 + 432 + 0 + 0 = 666.

It is a super-2 number, since 2×1078821043200² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 138005692 + ... + 138013508.

Almost surely, 2^{1078821043200} is an apocalyptic number.

1078821043200 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 1078821043200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1934816621400).

1078821043200 is an abundant number, since it is smaller than the sum of its proper divisors (2790812199600).

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

1078821043200 is a wasteful number, since it uses less digits than its factorization.

1078821043200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8452 (or 8426 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 1078821043200 in words is "one trillion, seventy-eight billion, eight hundred twenty-one million, forty-three thousand, two hundred".