1149640080 has 40 divisors (see below), whose sum is σ = 3563884992. Its totient is φ = 306570624.

The previous prime is 1149640057. The next prime is 1149640109. The reversal of 1149640080 is 800469411.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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, 2394844 + ... + 2395323.

Almost surely, 2^1149640080 is an apocalyptic number.

1149640080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1149640080 is an abundant number, since it is smaller than the sum of its proper divisors (2414244912).

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

1149640080 is a wasteful number, since it uses less digits than its factorization.

1149640080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4790183 (or 4790177 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1149640080 is about 33906.3427694583. The cubic root of 1149640080 is about 1047.5802419340.

The spelling of 1149640080 in words is "one billion, one hundred forty-nine million, six hundred forty thousand, eighty".