1099225391040 has 1792 divisors, whose sum is σ = 4845799157760. Its totient is φ = 231760134144.

The previous prime is 1099225391003. The next prime is 1099225391059. The reversal of 1099225391040 is 401935229901.

1099225391040 is a `hidden beast` number, since 1 + 0 + 9 + 9 + 2 + 2 + 539 + 104 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 5579824222 + ... + 5579824418.

Almost surely, 2^{1099225391040} is an apocalyptic number.

1099225391040 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 1099225391040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2422899578880).

1099225391040 is an abundant number, since it is smaller than the sum of its proper divisors (3746573766720).

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

1099225391040 is an equidigital number, since it uses as much as digits as its factorization.

1099225391040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 1099225391040 in words is "one trillion, ninety-nine billion, two hundred twenty-five million, three hundred ninety-one thousand, forty".