1099310400 has 168 divisors, whose sum is σ = 4007551040. Its totient is φ = 293137920.

The previous prime is 1099310363. The next prime is 1099310411. The reversal of 1099310400 is 40139901.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30477 + ... + 55923.

Almost surely, 2^1099310400 is an apocalyptic number.

1099310400 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 1099310400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2003775520).

1099310400 is an abundant number, since it is smaller than the sum of its proper divisors (2908240640).

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

1099310400 is a wasteful number, since it uses less digits than its factorization.

1099310400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25478 (or 25457 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1099310400 is about 33155.8501625279. The cubic root of 1099310400 is about 1032.0643550998.

The spelling of 1099310400 in words is "one billion, ninety-nine million, three hundred ten thousand, four hundred".