1012243340 has 48 divisors (see below), whose sum is σ = 2235727872. Its totient is φ = 384221376.

The previous prime is 1012243313. The next prime is 1012243361. The reversal of 1012243340 is 433422101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49757 + ... + 67083.

It is an arithmetic number, because the mean of its divisors is an integer number (46577664).

Almost surely, 2^1012243340 is an apocalyptic number.

1012243340 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 1012243340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1117863936).

1012243340 is an abundant number, since it is smaller than the sum of its proper divisors (1223484532).

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

1012243340 is a wasteful number, since it uses less digits than its factorization.

1012243340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17486 (or 17484 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1012243340 is about 31815.7718749679. The cubic root of 1012243340 is about 1004.0645702190.

Adding to 1012243340 its reverse (433422101), we get a palindrome (1445665441).

The spelling of 1012243340 in words is "one billion, twelve million, two hundred forty-three thousand, three hundred forty".