1147474944 has 528 divisors, whose sum is σ = 4356016000. Its totient is φ = 298045440.

The previous prime is 1147474907. The next prime is 1147474973. The reversal of 1147474944 is 4494747411.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

1147474944 is a `hidden beast` number, since 114 + 7 + 47 + 494 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (528).

It is a super-3 number, since 3×1147474944³ (a number of 28 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

Its product of digits (451584) is a multiple of the sum of its prime factors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 1147474944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104315899 + ... + 104315909.

Almost surely, 2^1147474944 is an apocalyptic number.

1147474944 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 1147474944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2178008000).

1147474944 is an abundant number, since it is smaller than the sum of its proper divisors (3208541056).

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

1147474944 is an equidigital number, since it uses as much as digits as its factorization.

1147474944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 23 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 1147474944 is about 33874.3995371136. The cubic root of 1147474944 is about 1046.9221869741.

The spelling of 1147474944 in words is "one billion, one hundred forty-seven million, four hundred seventy-four thousand, nine hundred forty-four".