1400343418 has 16 divisors (see below), whose sum is σ = 2150818560. Its totient is φ = 683426016.

The previous prime is 1400343409. The next prime is 1400343419. The reversal of 1400343418 is 8143430041.

It is not an unprimeable number, because it can be changed into a prime (1400343419) 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, 146646 + ... + 155902.

It is an arithmetic number, because the mean of its divisors is an integer number (134426160).

Almost surely, 2^1400343418 is an apocalyptic number.

1400343418 is a deficient number, since it is larger than the sum of its proper divisors (750475142).

1400343418 is a wasteful number, since it uses less digits than its factorization.

1400343418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11061.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1400343418 is about 37421.1627024068. The cubic root of 1400343418 is about 1118.7804055363.

Adding to 1400343418 its reverse (8143430041), we get a palindrome (9543773459).

The spelling of 1400343418 in words is "one billion, four hundred million, three hundred forty-three thousand, four hundred eighteen".