1053223040 has 32 divisors (see below), whose sum is σ = 2517862860. Its totient is φ = 421288960.

The previous prime is 1053223027. The next prime is 1053223043. The reversal of 1053223040 is 403223501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1019397184 + 33825856 = 31928^2 + 5816^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1053223040² = 2218557543973683200, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1053223043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822191 + ... + 823470.

Almost surely, 2^1053223040 is an apocalyptic number.

1053223040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053223040 is an abundant number, since it is smaller than the sum of its proper divisors (1464639820).

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

1053223040 is an equidigital number, since it uses as much as digits as its factorization.

1053223040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645680 (or 1645668 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1053223040 is about 32453.3979730937. The cubic root of 1053223040 is about 1017.4352583936.

Adding to 1053223040 its reverse (403223501), we get a palindrome (1456446541).

The spelling of 1053223040 in words is "one billion, fifty-three million, two hundred twenty-three thousand, forty".