1093874440 has 32 divisors (see below), whose sum is σ = 2485595160. Its totient is φ = 433216000.

The previous prime is 1093874423. The next prime is 1093874447. The reversal of 1093874440 is 444783901.

It can be written as a sum of positive squares in 4 ways, for example, as 1056640036 + 37234404 = 32506^2 + 6102^2 .

It is a super-2 number, since 2×1093874440² = 2393122580970627200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1093874393 and 1093874402.

It is not an unprimeable number, because it can be changed into a prime (1093874447) 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 7 ways as a sum of consecutive naturals, for example, 131341 + ... + 139420.

Almost surely, 2^1093874440 is an apocalyptic number.

1093874440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1093874440 is an abundant number, since it is smaller than the sum of its proper divisors (1391720720).

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

1093874440 is a wasteful number, since it uses less digits than its factorization.

1093874440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270873 (or 270869 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 1093874440 is about 33073.7726907591. The cubic root of 1093874440 is about 1030.3603979650.

The spelling of 1093874440 in words is "one billion, ninety-three million, eight hundred seventy-four thousand, four hundred forty".