1081385488 has 40 divisors (see below), whose sum is σ = 2122176672. Its totient is φ = 533756928.

The previous prime is 1081385477. The next prime is 1081385497. The reversal of 1081385488 is 8845831801.

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, 910431 + ... + 911617.

Almost surely, 2^1081385488 is an apocalyptic number.

It is an amenable number.

1081385488 is a deficient number, since it is larger than the sum of its proper divisors (1040791184).

1081385488 is a wasteful number, since it uses less digits than its factorization.

1081385488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879 (or 1873 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 46.

The square root of 1081385488 is about 32884.4262227578. The cubic root of 1081385488 is about 1026.4241122245.

The spelling of 1081385488 in words is "one billion, eighty-one million, three hundred eighty-five thousand, four hundred eighty-eight".