1040530212 has 120 divisors (see below), whose sum is σ = 2988216000. Its totient is φ = 314259264.

The previous prime is 1040530181. The next prime is 1040530213. The reversal of 1040530212 is 2120350401.

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

It is not an unprimeable number, because it can be changed into a prime (1040530213) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 137914 + ... + 145262.

It is an arithmetic number, because the mean of its divisors is an integer number (24901800).

Almost surely, 2^1040530212 is an apocalyptic number.

1040530212 is a gapful number since it is divisible by the number (12) 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 1040530212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1494108000).

1040530212 is an abundant number, since it is smaller than the sum of its proper divisors (1947685788).

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

1040530212 is a wasteful number, since it uses less digits than its factorization.

1040530212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7407 (or 7396 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1040530212 is about 32257.2505337947. The cubic root of 1040530212 is about 1013.3315506182.

Adding to 1040530212 its reverse (2120350401), we get a palindrome (3160880613).

The spelling of 1040530212 in words is "one billion, forty million, five hundred thirty thousand, two hundred twelve".