1024200040 has 32 divisors (see below), whose sum is σ = 2312676360. Its totient is φ = 408217600.

The previous prime is 1024200017. The next prime is 1024200043. The reversal of 1024200040 is 400024201.

It can be written as a sum of positive squares in 4 ways, for example, as 985834404 + 38365636 = 31398^2 + 6194^2 .

It is not an unprimeable number, because it can be changed into a prime (1024200043) 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, 34321 + ... + 56800.

Almost surely, 2^1024200040 is an apocalyptic number.

1024200040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024200040 is an abundant number, since it is smaller than the sum of its proper divisors (1288476320).

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

1024200040 is a wasteful number, since it uses less digits than its factorization.

1024200040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91413 (or 91409 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1024200040 is about 32003.1254723660. The cubic root of 1024200040 is about 1008.0024696547.

Adding to 1024200040 its reverse (400024201), we get a palindrome (1424224241).

The spelling of 1024200040 in words is "one billion, twenty-four million, two hundred thousand, forty".