1253024040 has 32 divisors (see below), whose sum is σ = 3759072480. Its totient is φ = 334139712.

The previous prime is 1253024033. The next prime is 1253024077. The reversal of 1253024040 is 404203521.

It is a junction number, because it is equal to n+sod(n) for n = 1253023998 and 1253024016.

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, 5220814 + ... + 5221053.

It is an arithmetic number, because the mean of its divisors is an integer number (117471015).

Almost surely, 2^1253024040 is an apocalyptic number.

1253024040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253024040 is an abundant number, since it is smaller than the sum of its proper divisors (2506048440).

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

1253024040 is a wasteful number, since it uses less digits than its factorization.

1253024040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10441881 (or 10441877 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1253024040 is about 35398.0796089279. The cubic root of 1253024040 is about 1078.0853250008.

Adding to 1253024040 its reverse (404203521), we get a palindrome (1657227561).

The spelling of 1253024040 in words is "one billion, two hundred fifty-three million, twenty-four thousand, forty".