1044342240 has 48 divisors (see below), whose sum is σ = 3289679568. Its totient is φ = 278491136.

The previous prime is 1044342217. The next prime is 1044342251. The reversal of 1044342240 is 422434401.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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 1044342240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087377 + ... + 1088336.

It is an arithmetic number, because the mean of its divisors is an integer number (68534991).

Almost surely, 2^1044342240 is an apocalyptic number.

1044342240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044342240 is an abundant number, since it is smaller than the sum of its proper divisors (2245337328).

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

1044342240 is a wasteful number, since it uses less digits than its factorization.

1044342240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175731 (or 2175723 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1044342240 is about 32316.2844398919. The cubic root of 1044342240 is about 1014.5675040259.

Adding to 1044342240 its reverse (422434401), we get a palindrome (1466776641).

The spelling of 1044342240 in words is "one billion, forty-four million, three hundred forty-two thousand, two hundred forty".