1351054240 has 48 divisors (see below), whose sum is σ = 3203746560. Its totient is φ = 538410240.

The previous prime is 1351054207. The next prime is 1351054249. The reversal of 1351054240 is 424501531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1351054249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27781 + ... + 58939.

It is an arithmetic number, because the mean of its divisors is an integer number (66744720).

Almost surely, 2^1351054240 is an apocalyptic number.

1351054240 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 1351054240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1601873280).

1351054240 is an abundant number, since it is smaller than the sum of its proper divisors (1852692320).

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

1351054240 is a wasteful number, since it uses less digits than its factorization.

1351054240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31445 (or 31437 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1351054240 is about 36756.6897312584. The cubic root of 1351054240 is about 1105.4970675784.

Adding to 1351054240 its reverse (424501531), we get a palindrome (1775555771).

The spelling of 1351054240 in words is "one billion, three hundred fifty-one million, fifty-four thousand, two hundred forty".