1024130440 has 16 divisors (see below), whose sum is σ = 2304293580. Its totient is φ = 409652160.

The previous prime is 1024130377. The next prime is 1024130449. The reversal of 1024130440 is 440314201.

It can be written as a sum of positive squares in 2 ways, for example, as 947777796 + 76352644 = 30786^2 + 8738^2 .

It is not an unprimeable number, because it can be changed into a prime (1024130449) 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, 12801591 + ... + 12801670.

Almost surely, 2^1024130440 is an apocalyptic number.

1024130440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024130440 is an abundant number, since it is smaller than the sum of its proper divisors (1280163140).

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

1024130440 is a wasteful number, since it uses less digits than its factorization.

1024130440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25603272 (or 25603268 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1024130440 is about 32002.0380600986. The cubic root of 1024130440 is about 1007.9796360419.

Adding to 1024130440 its reverse (440314201), we get a palindrome (1464444641).

The spelling of 1024130440 in words is "one billion, twenty-four million, one hundred thirty thousand, four hundred forty".