1042032320 has 112 divisors (see below), whose sum is σ = 2844149760. Its totient is φ = 356219904.

The previous prime is 1042032301. The next prime is 1042032331. The reversal of 1042032320 is 232302401.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1448921 + ... + 1449639.

Almost surely, 2^1042032320 is an apocalyptic number.

1042032320 is a gapful number since it is divisible by the number (10) 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 1042032320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1422074880).

1042032320 is an abundant number, since it is smaller than the sum of its proper divisors (1802117440).

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

1042032320 is an equidigital number, since it uses as much as digits as its factorization.

1042032320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390 (or 1380 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 1042032320 is about 32280.5253984504. The cubic root of 1042032320 is about 1013.8189308494.

Adding to 1042032320 its reverse (232302401), we get a palindrome (1274334721).

The spelling of 1042032320 in words is "one billion, forty-two million, thirty-two thousand, three hundred twenty".