1922276966400 has 2160 divisors, whose sum is σ = 8518874757120. Its totient is φ = 420426547200.

The previous prime is 1922276966399. The next prime is 1922276966429. The reversal of 1922276966400 is 46696722291.

1922276966400 is a `hidden beast` number, since 1 + 9 + 2 + 227 + 6 + 9 + 6 + 6 + 400 = 666.

It is a tau number, because it is divible by the number of its divisors (2160).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 21598617556 + ... + 21598617644.

Almost surely, 2^{1922276966400} is an apocalyptic number.

1922276966400 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 1922276966400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4259437378560).

1922276966400 is an abundant number, since it is smaller than the sum of its proper divisors (6596597790720).

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

1922276966400 is an frugal number, since it uses more digits than its factorization.

1922276966400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 1922276966400 in words is "one trillion, nine hundred twenty-two billion, two hundred seventy-six million, nine hundred sixty-six thousand, four hundred".