1097841888 has 576 divisors, whose sum is σ = 4094737920. Its totient is φ = 273715200.

The previous prime is 1097841883. The next prime is 1097841889. The reversal of 1097841888 is 8881487901.

It is a happy number.

It is a super-2 number, since 2×1097841888² = 2410513622094809088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097841881) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17997378 + ... + 17997438.

It is an arithmetic number, because the mean of its divisors is an integer number (7108920).

Almost surely, 2^1097841888 is an apocalyptic number.

1097841888 is a gapful number since it is divisible by the number (18) 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 1097841888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2047368960).

1097841888 is an abundant number, since it is smaller than the sum of its proper divisors (2996896032).

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

1097841888 is a wasteful number, since it uses less digits than its factorization.

1097841888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 54.

The square root of 1097841888 is about 33133.6971676872. The cubic root of 1097841888 is about 1031.6045898198.

The spelling of 1097841888 in words is "one billion, ninety-seven million, eight hundred forty-one thousand, eight hundred eighty-eight".