1141425440 has 48 divisors (see below), whose sum is σ = 2704476600. Its totient is φ = 455239680.

The previous prime is 1141425433. The next prime is 1141425457. The reversal of 1141425440 is 445241411.

It can be written as a sum of positive squares in 4 ways, for example, as 1114758544 + 26666896 = 33388^2 + 5164^2 .

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, 45620 + ... + 66060.

Almost surely, 2^1141425440 is an apocalyptic number.

1141425440 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 1141425440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1352238300).

1141425440 is an abundant number, since it is smaller than the sum of its proper divisors (1563051160).

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

1141425440 is a wasteful number, since it uses less digits than its factorization.

1141425440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20805 (or 20797 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 1141425440 is about 33784.9883824162. The cubic root of 1141425440 is about 1045.0791481759.

Adding to 1141425440 its reverse (445241411), we get a palindrome (1586666851).

The spelling of 1141425440 in words is "one billion, one hundred forty-one million, four hundred twenty-five thousand, four hundred forty".