1012440330 has 64 divisors (see below), whose sum is σ = 2945289600. Its totient is φ = 245439360.

The previous prime is 1012440323. The next prime is 1012440343. The reversal of 1012440330 is 330442101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167475 + ... + 173414.

It is an arithmetic number, because the mean of its divisors is an integer number (46020150).

Almost surely, 2^1012440330 is an apocalyptic number.

1012440330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012440330 is an abundant number, since it is smaller than the sum of its proper divisors (1932849270).

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

1012440330 is a wasteful number, since it uses less digits than its factorization.

1012440330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340916 (or 340910 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1012440330 is about 31818.8675159881. The cubic root of 1012440330 is about 1004.1296987781.

Adding to 1012440330 its reverse (330442101), we get a palindrome (1342882431).

The spelling of 1012440330 in words is "one billion, twelve million, four hundred forty thousand, three hundred thirty".