1400444103 has 16 divisors (see below), whose sum is σ = 1902700800. Its totient is φ = 916069440.

The previous prime is 1400444057. The next prime is 1400444107. The reversal of 1400444103 is 3014440041.

It is not a de Polignac number, because 1400444103 - 2³⁰ = 326702279 is a prime.

It is a super-2 number, since 2×1400444103² = 3922487371254949218, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1400444103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400444107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14958 + ... + 54996.

It is an arithmetic number, because the mean of its divisors is an integer number (118918800).

Almost surely, 2^1400444103 is an apocalyptic number.

1400444103 is a deficient number, since it is larger than the sum of its proper divisors (502256697).

1400444103 is a wasteful number, since it uses less digits than its factorization.

1400444103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40262.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1400444103 is about 37422.5079731436. The cubic root of 1400444103 is about 1118.8072184128.

Adding to 1400444103 its reverse (3014440041), we get a palindrome (4414884144).

The spelling of 1400444103 in words is "one billion, four hundred million, four hundred forty-four thousand, one hundred three".