1400540422 has 8 divisors (see below), whose sum is σ = 2103129576. Its totient is φ = 699497232.

The previous prime is 1400540389. The next prime is 1400540473. The reversal of 1400540422 is 2240450041.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1400540393 and 1400540402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384223 + ... + 387850.

It is an arithmetic number, because the mean of its divisors is an integer number (262891197).

Almost surely, 2^1400540422 is an apocalyptic number.

1400540422 is a deficient number, since it is larger than the sum of its proper divisors (702589154).

1400540422 is an equidigital number, since it uses as much as digits as its factorization.

1400540422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772982.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1400540422 is about 37423.7948636960. The cubic root of 1400540422 is about 1118.8328674009.

Adding to 1400540422 its reverse (2240450041), we get a palindrome (3640990463).

The spelling of 1400540422 in words is "one billion, four hundred million, five hundred forty thousand, four hundred twenty-two".