1040420444 has 12 divisors (see below), whose sum is σ = 2080840944. Its totient is φ = 445894464.

The previous prime is 1040420431. The next prime is 1040420461. The reversal of 1040420444 is 4440240401.

1040420444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

1040420444 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18578909 + ... + 18578964.

It is an arithmetic number, because the mean of its divisors is an integer number (173403412).

Almost surely, 2^1040420444 is an apocalyptic number.

1040420444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1040420444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1040420444 is a wasteful number, since it uses less digits than its factorization.

1040420444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37157884 (or 37157882 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 1040420444 is about 32255.5490419866. The cubic root of 1040420444 is about 1013.2959164489.

Adding to 1040420444 its reverse (4440240401), we get a palindrome (5480660845).

The spelling of 1040420444 in words is "one billion, forty million, four hundred twenty thousand, four hundred forty-four".