1095453840 has 160 divisors (see below), whose sum is σ = 3669765120. Its totient is φ = 268720128.

The previous prime is 1095453829. The next prime is 1095453847. The reversal of 1095453840 is 483545901.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1095453847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1494114 + ... + 1494846.

It is an arithmetic number, because the mean of its divisors is an integer number (22936032).

Almost surely, 2^1095453840 is an apocalyptic number.

1095453840 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 1095453840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1834882560).

1095453840 is an abundant number, since it is smaller than the sum of its proper divisors (2574311280).

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

1095453840 is a wasteful number, since it uses less digits than its factorization.

1095453840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1235 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 1095453840 is about 33097.6410035519. The cubic root of 1095453840 is about 1030.8560577224.

The spelling of 1095453840 in words is "one billion, ninety-five million, four hundred fifty-three thousand, eight hundred forty".