1091484960 has 48 divisors (see below), whose sum is σ = 3438179136. Its totient is φ = 291062528.

The previous prime is 1091484959. The next prime is 1091484991. The reversal of 1091484960 is 694841901.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136484 + ... + 1137443.

It is an arithmetic number, because the mean of its divisors is an integer number (71628732).

Almost surely, 2^1091484960 is an apocalyptic number.

1091484960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1091484960 is an abundant number, since it is smaller than the sum of its proper divisors (2346694176).

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

1091484960 is a wasteful number, since it uses less digits than its factorization.

1091484960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273945 (or 2273937 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 1091484960 is about 33037.6294549110. The cubic root of 1091484960 is about 1029.6096047750.

The spelling of 1091484960 in words is "one billion, ninety-one million, four hundred eighty-four thousand, nine hundred sixty".