1099897344 has 480 divisors, whose sum is σ = 4063323264. Its totient is φ = 278691840.

The previous prime is 1099897313. The next prime is 1099897369. The reversal of 1099897344 is 4437989901.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18031074 + ... + 18031134.

Almost surely, 2^1099897344 is an apocalyptic number.

1099897344 is a gapful number since it is divisible by the number (14) 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 1099897344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2031661632).

1099897344 is an abundant number, since it is smaller than the sum of its proper divisors (2963425920).

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

1099897344 is a wasteful number, since it uses less digits than its factorization.

1099897344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 1099897344 is about 33164.7002700160. The cubic root of 1099897344 is about 1032.2480024127.

The spelling of 1099897344 in words is "one billion, ninety-nine million, eight hundred ninety-seven thousand, three hundred forty-four".