1204441040 has 40 divisors (see below), whose sum is σ = 3054902688. Its totient is φ = 437978240.

The previous prime is 1204441039. The next prime is 1204441087. The reversal of 1204441040 is 401444021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 683462 + ... + 685221.

Almost surely, 2^1204441040 is an apocalyptic number.

1204441040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204441040 is an abundant number, since it is smaller than the sum of its proper divisors (1850461648).

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

1204441040 is a wasteful number, since it uses less digits than its factorization.

1204441040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368707 (or 1368701 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1204441040 is about 34705.0578446428. The cubic root of 1204441040 is about 1063.9678745459.

Adding to 1204441040 its reverse (401444021), we get a palindrome (1605885061).

It can be divided in two parts, 1204 and 441040, that added together give a palindrome (442244).

The spelling of 1204441040 in words is "one billion, two hundred four million, four hundred forty-one thousand, forty".