1042630320 has 80 divisors (see below), whose sum is σ = 3402282240. Its totient is φ = 263400192.

The previous prime is 1042630307. The next prime is 1042630327. The reversal of 1042630320 is 230362401.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1042630327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109764 + ... + 118883.

It is an arithmetic number, because the mean of its divisors is an integer number (42528528).

Almost surely, 2^1042630320 is an apocalyptic number.

1042630320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042630320 is an abundant number, since it is smaller than the sum of its proper divisors (2359651920).

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

1042630320 is a wasteful number, since it uses less digits than its factorization.

1042630320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228682 (or 228676 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1042630320 is about 32289.7866205399. The cubic root of 1042630320 is about 1014.0128300763.

Adding to 1042630320 its reverse (230362401), we get a palindrome (1272992721).

The spelling of 1042630320 in words is "one billion, forty-two million, six hundred thirty thousand, three hundred twenty".