1147488480 has 72 divisors (see below), whose sum is σ = 3915809352. Its totient is φ = 305996544.

The previous prime is 1147488449. The next prime is 1147488523. The reversal of 1147488480 is 848847411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 396994 + ... + 399873.

It is an arithmetic number, because the mean of its divisors is an integer number (54386241).

Almost surely, 2^1147488480 is an apocalyptic number.

1147488480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1147488480 is an abundant number, since it is smaller than the sum of its proper divisors (2768320872).

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

1147488480 is a wasteful number, since it uses less digits than its factorization.

1147488480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796888 (or 796877 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 45.

The square root of 1147488480 is about 33874.5993334239. The cubic root of 1147488480 is about 1046.9263035732.

The spelling of 1147488480 in words is "one billion, one hundred forty-seven million, four hundred eighty-eight thousand, four hundred eighty".