1002196800 has 840 divisors, whose sum is σ = 4344558240. Its totient is φ = 223948800.

The previous prime is 1002196777. The next prime is 1002196807. The reversal of 1002196800 is 86912001.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002196807) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 27086382 + ... + 27086418.

Almost surely, 2^1002196800 is an apocalyptic number.

1002196800 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 1002196800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2172279120).

1002196800 is an abundant number, since it is smaller than the sum of its proper divisors (3342361440).

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

1002196800 is a wasteful number, since it uses less digits than its factorization.

1002196800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1002196800 is about 31657.4920042634. The cubic root of 1002196800 is about 1000.7317311057.

The spelling of 1002196800 in words is "one billion, two million, one hundred ninety-six thousand, eight hundred".