1400262243 has 4 divisors (see below), whose sum is σ = 1867016328. Its totient is φ = 933508160.

The previous prime is 1400262229. The next prime is 1400262251. The reversal of 1400262243 is 3422620041.

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

It is a cyclic number.

It is not a de Polignac number, because 1400262243 - 2⁶ = 1400262179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1400262203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233377038 + ... + 233377043.

It is an arithmetic number, because the mean of its divisors is an integer number (466754082).

Almost surely, 2^1400262243 is an apocalyptic number.

1400262243 is a deficient number, since it is larger than the sum of its proper divisors (466754085).

1400262243 is an equidigital number, since it uses as much as digits as its factorization.

1400262243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466754084.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1400262243 is about 37420.0780731414. The cubic root of 1400262243 is about 1118.7587873263.

Adding to 1400262243 its reverse (3422620041), we get a palindrome (4822882284).

It can be divided in two parts, 14002 and 62243, that added together give a triangular number (76245 = T₃₉₀).

The spelling of 1400262243 in words is "one billion, four hundred million, two hundred sixty-two thousand, two hundred forty-three".