1149563400 has 48 divisors (see below), whose sum is σ = 3563648400. Its totient is φ = 306550080.

The previous prime is 1149563369. The next prime is 1149563407. The reversal of 1149563400 is 43659411.

It is not an unprimeable number, because it can be changed into a prime (1149563407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 957370 + ... + 958569.

It is an arithmetic number, because the mean of its divisors is an integer number (74242675).

Almost surely, 2^1149563400 is an apocalyptic number.

1149563400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1149563400 is an abundant number, since it is smaller than the sum of its proper divisors (2414085000).

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

1149563400 is a wasteful number, since it uses less digits than its factorization.

1149563400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915958 (or 1915949 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1149563400 is about 33905.2119887194. The cubic root of 1149563400 is about 1047.5569505171.

The spelling of 1149563400 in words is "one billion, one hundred forty-nine million, five hundred sixty-three thousand, four hundred".