1045041340 has 144 divisors (see below), whose sum is σ = 2782628352. Its totient is φ = 322274304.

The previous prime is 1045041313. The next prime is 1045041353. The reversal of 1045041340 is 431405401.

It is a super-2 number, since 2×1045041340² = 2184222804617991200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 930019 + ... + 931141.

It is an arithmetic number, because the mean of its divisors is an integer number (19323808).

Almost surely, 2^1045041340 is an apocalyptic number.

1045041340 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 1045041340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1391314176).

1045041340 is an abundant number, since it is smaller than the sum of its proper divisors (1737587012).

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

1045041340 is a wasteful number, since it uses less digits than its factorization.

1045041340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196 (or 1177 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1045041340 is about 32327.0991584460. The cubic root of 1045041340 is about 1014.7938429612.

Adding to 1045041340 its reverse (431405401), we get a palindrome (1476446741).

The spelling of 1045041340 in words is "one billion, forty-five million, forty-one thousand, three hundred forty".