1144677888 has 240 divisors, whose sum is σ = 3475826640. Its totient is φ = 362299392.

The previous prime is 1144677851. The next prime is 1144677907. The reversal of 1144677888 is 8887764411.

It is a super-2 number, since 2×1144677888² = 2620574934552281088, which contains 22 as substring.

It is a plaindrome in base 10.

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, 10501578 + ... + 10501686.

It is an arithmetic number, because the mean of its divisors is an integer number (14482611).

Almost surely, 2^1144677888 is an apocalyptic number.

1144677888 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 1144677888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1737913320).

1144677888 is an abundant number, since it is smaller than the sum of its proper divisors (2331148752).

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

1144677888 is a wasteful number, since it uses less digits than its factorization.

1144677888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 210 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 54.

The square root of 1144677888 is about 33833.0886559297. The cubic root of 1144677888 is about 1046.0708444840.

The spelling of 1144677888 in words is "one billion, one hundred forty-four million, six hundred seventy-seven thousand, eight hundred eighty-eight".