1053706240 has 96 divisors (see below), whose sum is σ = 2677442040. Its totient is φ = 396623872.

The previous prime is 1053706217. The next prime is 1053706249. The reversal of 1053706240 is 426073501.

It can be written as a sum of positive squares in 4 ways, for example, as 745071616 + 308634624 = 27296^2 + 17568^2 .

It is a super-2 number, since 2×1053706240² = 2220593680429875200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1053706199 and 1053706208.

It is not an unprimeable number, because it can be changed into a prime (1053706249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171054 + ... + 177106.

Almost surely, 2^1053706240 is an apocalyptic number.

1053706240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1053706240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1338721020).

1053706240 is an abundant number, since it is smaller than the sum of its proper divisors (1623735800).

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

1053706240 is an equidigital number, since it uses as much as digits as its factorization.

1053706240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6097 (or 6077 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1053706240 is about 32460.8416403518. The cubic root of 1053706240 is about 1017.5908283392.

Adding to 1053706240 its reverse (426073501), we get a palindrome (1479779741).

The spelling of 1053706240 in words is "one billion, fifty-three million, seven hundred six thousand, two hundred forty".