1040453112 has 64 divisors (see below), whose sum is σ = 2673665280. Its totient is φ = 337220352.

The previous prime is 1040453111. The next prime is 1040453119. The reversal of 1040453112 is 2113540401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040453111) 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, 238293 + ... + 242619.

It is an arithmetic number, because the mean of its divisors is an integer number (41776020).

Almost surely, 2^1040453112 is an apocalyptic number.

1040453112 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 1040453112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1336832640).

1040453112 is an abundant number, since it is smaller than the sum of its proper divisors (1633212168).

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

1040453112 is a wasteful number, since it uses less digits than its factorization.

1040453112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4612 (or 4608 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1040453112 is about 32256.0554315000. The cubic root of 1040453112 is about 1013.3065217783.

Adding to 1040453112 its reverse (2113540401), we get a palindrome (3153993513).

The spelling of 1040453112 in words is "one billion, forty million, four hundred fifty-three thousand, one hundred twelve".