1240200433 has 8 divisors (see below), whose sum is σ = 1310443200. Its totient is φ = 1170454608.

The previous prime is 1240200361. The next prime is 1240200463. The reversal of 1240200433 is 3340020421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1240200433 - 2¹³ = 1240192241 is a prime.

It is a super-2 number, since 2×1240200433² = 3076194228026774978, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1240200433.

It is not an unprimeable number, because it can be changed into a prime (1240200463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119098 + ... + 129091.

It is an arithmetic number, because the mean of its divisors is an integer number (163805400).

Almost surely, 2^1240200433 is an apocalyptic number.

It is an amenable number.

1240200433 is a deficient number, since it is larger than the sum of its proper divisors (70242767).

1240200433 is a wasteful number, since it uses less digits than its factorization.

1240200433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248471.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1240200433 is about 35216.4795656806. The cubic root of 1240200433 is about 1074.3949529785.

Adding to 1240200433 its reverse (3340020421), we get a palindrome (4580220854).

The spelling of 1240200433 in words is "one billion, two hundred forty million, two hundred thousand, four hundred thirty-three".