1045060440 has 128 divisors (see below), whose sum is σ = 3188160000. Its totient is φ = 274019328.

The previous prime is 1045060421. The next prime is 1045060441. The reversal of 1045060440 is 440605401.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1045060440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045060441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2554956 + ... + 2555364.

It is an arithmetic number, because the mean of its divisors is an integer number (24907500).

Almost surely, 2^1045060440 is an apocalyptic number.

1045060440 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 1045060440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1594080000).

1045060440 is an abundant number, since it is smaller than the sum of its proper divisors (2143099560).

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

1045060440 is a wasteful number, since it uses less digits than its factorization.

1045060440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1045060440 is about 32327.3945748803. The cubic root of 1045060440 is about 1014.8000253145.

Adding to 1045060440 its reverse (440605401), we get a palindrome (1485665841).

The spelling of 1045060440 in words is "one billion, forty-five million, sixty thousand, four hundred forty".