1044985536 has 336 divisors, whose sum is σ = 3683447040. Its totient is φ = 287400960.

The previous prime is 1044985531. The next prime is 1044985537. The reversal of 1044985536 is 6355894401.

1044985536 is a `hidden beast` number, since 1 + 0 + 4 + 4 + 98 + 553 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a junction number, because it is equal to n+sod(n) for n = 1044985491 and 1044985500.

It is not an unprimeable number, because it can be changed into a prime (1044985531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3156891 + ... + 3157221.

It is an arithmetic number, because the mean of its divisors is an integer number (10962640).

Almost surely, 2^1044985536 is an apocalyptic number.

1044985536 is a gapful number since it is divisible by the number (16) 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 1044985536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1841723520).

1044985536 is an abundant number, since it is smaller than the sum of its proper divisors (2638461504).

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

1044985536 is an equidigital number, since it uses as much as digits as its factorization.

1044985536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 1044985536 is about 32326.2360320530. The cubic root of 1044985536 is about 1014.7757797001.

The spelling of 1044985536 in words is "one billion, forty-four million, nine hundred eighty-five thousand, five hundred thirty-six".