1148864380 has 24 divisors (see below), whose sum is σ = 2414140848. Its totient is φ = 459255168.

The previous prime is 1148864359. The next prime is 1148864383. The reversal of 1148864380 is 834688411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148864383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15807 + ... + 50473.

It is an arithmetic number, because the mean of its divisors is an integer number (100589202).

Almost surely, 2^1148864380 is an apocalyptic number.

1148864380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1148864380 is an abundant number, since it is smaller than the sum of its proper divisors (1265276468).

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

1148864380 is a wasteful number, since it uses less digits than its factorization.

1148864380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36333 (or 36331 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 1148864380 is about 33894.9019765510. The cubic root of 1148864380 is about 1047.3445766329.

The spelling of 1148864380 in words is "one billion, one hundred forty-eight million, eight hundred sixty-four thousand, three hundred eighty".