1040344000 has 56 divisors (see below), whose sum is σ = 2576431728. Its totient is φ = 416134400.

The previous prime is 1040343989. The next prime is 1040344001. The reversal of 1040344000 is 4430401.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040344001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57022 + ... + 73021.

Almost surely, 2^1040344000 is an apocalyptic number.

1040344000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040344000 is an abundant number, since it is smaller than the sum of its proper divisors (1536087728).

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

1040344000 is an equidigital number, since it uses as much as digits as its factorization.

1040344000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130070 (or 130050 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1040344000 is about 32254.3640458156. The cubic root of 1040344000 is about 1013.2710988249.

Adding to 1040344000 its reverse (4430401), we get a palindrome (1044774401).

The spelling of 1040344000 in words is "one billion, forty million, three hundred forty-four thousand".