1053340440 has 32 divisors (see below), whose sum is σ = 3160021680. Its totient is φ = 280890752.

The previous prime is 1053340423. The next prime is 1053340489. The reversal of 1053340440 is 440433501.

1053340440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1053340440² = 2219052165078787200, which contains 22 as substring.

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 1053340440.

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, 4388799 + ... + 4389038.

Almost surely, 2^1053340440 is an apocalyptic number.

1053340440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053340440 is an abundant number, since it is smaller than the sum of its proper divisors (2106681240).

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

1053340440 is a wasteful number, since it uses less digits than its factorization.

1053340440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8777851 (or 8777847 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1053340440 is about 32455.2066701169. The cubic root of 1053340440 is about 1017.4730605991.

Adding to 1053340440 its reverse (440433501), we get a palindrome (1493773941).

The spelling of 1053340440 in words is "one billion, fifty-three million, three hundred forty thousand, four hundred forty".