1150438464 has 280 divisors, whose sum is σ = 3983126400. Its totient is φ = 328188672.

The previous prime is 1150438459. The next prime is 1150438477. The reversal of 1150438464 is 4648340511.

1150438464 is a `hidden beast` number, since 1 + 150 + 43 + 8 + 464 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1777789 + ... + 1778435.

Almost surely, 2^1150438464 is an apocalyptic number.

1150438464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1150438464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1991563200).

1150438464 is an abundant number, since it is smaller than the sum of its proper divisors (2832687936).

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

1150438464 is an frugal number, since it uses more digits than its factorization.

1150438464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 1150438464 is about 33918.1140985167. The cubic root of 1150438464 is about 1047.8226881810.

Adding to 1150438464 its reverse (4648340511), we get a palindrome (5798778975).

The spelling of 1150438464 in words is "one billion, one hundred fifty million, four hundred thirty-eight thousand, four hundred sixty-four".