1942120800 has 720 divisors, whose sum is σ = 7860715632. Its totient is φ = 464486400.

The previous prime is 1942120771. The next prime is 1942120801. The reversal of 1942120800 is 80212491.

It is a tau number, because it is divible by the number of its divisors (720).

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 (1942120801) 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, 45165579 + ... + 45165621.

Almost surely, 2^1942120800 is an apocalyptic number.

1942120800 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 1942120800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3930357816).

1942120800 is an abundant number, since it is smaller than the sum of its proper divisors (5918594832).

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

1942120800 is a wasteful number, since it uses less digits than its factorization.

1942120800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1942120800 is about 44069.4996567921. The cubic root of 1942120800 is about 1247.6480146409.

The spelling of 1942120800 in words is "one billion, nine hundred forty-two million, one hundred twenty thousand, eight hundred".