1400242033 has 4 divisors (see below), whose sum is σ = 1426661748. Its totient is φ = 1373822320.

The previous prime is 1400242027. The next prime is 1400242037. The reversal of 1400242033 is 3302420041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 335329344 + 1064912689 = 18312^2 + 32633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1400242033 is a prime.

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 1400242033.

It is not an unprimeable number, because it can be changed into a prime (1400242037) 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, 13209778 + ... + 13209883.

It is an arithmetic number, because the mean of its divisors is an integer number (356665437).

Almost surely, 2^1400242033 is an apocalyptic number.

It is an amenable number.

1400242033 is a deficient number, since it is larger than the sum of its proper divisors (26419715).

1400242033 is an equidigital number, since it uses as much as digits as its factorization.

1400242033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26419714.

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

The square root of 1400242033 is about 37419.8080299726. The cubic root of 1400242033 is about 1118.7534049479.

Adding to 1400242033 its reverse (3302420041), we get a palindrome (4702662074).

The spelling of 1400242033 in words is "one billion, four hundred million, two hundred forty-two thousand, thirty-three".